23012211124 has 48 divisors (see below), whose sum is σ = 47302069248. Its totient is φ = 9588976128.

The previous prime is 23012211113. The next prime is 23012211149. The reversal of 23012211124 is 42111221032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601757 + ... + 1616059.

It is an arithmetic number, because the mean of its divisors is an integer number (985459776).

Almost surely, 2^23012211124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012211124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23651034624).

23012211124 is an abundant number, since it is smaller than the sum of its proper divisors (24289858124).

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

23012211124 is a wasteful number, since it uses less digits than its factorization.

23012211124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904 (or 15902 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23012211124 its reverse (42111221032), we get a palindrome (65123432156).

The spelling of 23012211124 in words is "twenty-three billion, twelve million, two hundred eleven thousand, one hundred twenty-four".