23011132011 has 24 divisors (see below), whose sum is σ = 36842056704. Its totient is φ = 12725047440.

The previous prime is 23011132003. The next prime is 23011132037. The reversal of 23011132011 is 11023111032.

It is a happy number.

It is not a de Polignac number, because 23011132011 - 2³ = 23011132003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23011132211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2520255 + ... + 2529368.

It is an arithmetic number, because the mean of its divisors is an integer number (1535085696).

Almost surely, 2^23011132011 is an apocalyptic number.

23011132011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23011132011 is a deficient number, since it is larger than the sum of its proper divisors (13830924693).

23011132011 is a wasteful number, since it uses less digits than its factorization.

23011132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049671 (or 5049664 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23011132011 its reverse (11023111032), we get a palindrome (34034243043).

The spelling of 23011132011 in words is "twenty-three billion, eleven million, one hundred thirty-two thousand, eleven".