23112133404 has 24 divisors (see below), whose sum is σ = 54462257808. Its totient is φ = 7627766400.

The previous prime is 23112133357. The next prime is 23112133409. The reversal of 23112133404 is 40433121132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112133409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9533497 + ... + 9535920.

It is an arithmetic number, because the mean of its divisors is an integer number (2269260742).

Almost surely, 2^23112133404 is an apocalyptic number.

It is an amenable number.

23112133404 is an abundant number, since it is smaller than the sum of its proper divisors (31350124404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23112133404 is a wasteful number, since it uses less digits than its factorization.

23112133404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069525 (or 19069523 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23112133404 its reverse (40433121132), we get a palindrome (63545254536).

The spelling of 23112133404 in words is "twenty-three billion, one hundred twelve million, one hundred thirty-three thousand, four hundred four".