23111234304 has 72 divisors (see below), whose sum is σ = 61828686192. Its totient is φ = 7663779840.

The previous prime is 23111234303. The next prime is 23111234327. The reversal of 23111234304 is 40343211132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23111234303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70264 + ... + 226184.

Almost surely, 2^23111234304 is an apocalyptic number.

23111234304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23111234304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30914343096).

23111234304 is an abundant number, since it is smaller than the sum of its proper divisors (38717451888).

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

23111234304 is a wasteful number, since it uses less digits than its factorization.

23111234304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156133 (or 156119 counting only the distinct ones).

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

Adding to 23111234304 its reverse (40343211132), we get a palindrome (63454445436).

The spelling of 23111234304 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-four thousand, three hundred four".