AEI INCOME & GROWTH FUND 23 LLC

FY: Dec 31 2006

Q: Jun 30 2007

Q: Mar 31 2007

Q: Sep 30 2007

Q: Mar 31 2007

FY: Dec 31 2006

Q: Jun 30 2007

Q: Jun 30 2007

Q: Mar 31 2007

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 31 2005

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

FY: Dec 31 2004

Q: Sep 30 2004

Q: Jun 30 2004

2.01,9.01

Completion of Acquisition or Disposition of Assets

2.01,9.01

2.01,9.01

2,7

Acquisition or disposition of assets

2,7

2,7

2,7

2,7

2,7

2

Rule 506

Certification of termination of registration of a class of securities (Section 12(g))

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

No description available

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

No description available

No description available

No description available

No description available

KEENE PATRICK W

LARSON MARK E

JOHNSON ROBERT P

AEI FUND MANAGEMENT XXI INC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

06

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

06

06

06

FILED AS OF DATE: 20021211