23152434912 has 144 divisors (see below), whose sum is σ = 70432794432. Its totient is φ = 7188480000.

The previous prime is 23152434889. The next prime is 23152434919. The reversal of 23152434912 is 21943425132.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152434919) 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, 450537 + ... + 499287.

It is an arithmetic number, because the mean of its divisors is an integer number (489116628).

Almost surely, 2^23152434912 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 23152434912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35216397216).

23152434912 is an abundant number, since it is smaller than the sum of its proper divisors (47280359520).

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

23152434912 is a wasteful number, since it uses less digits than its factorization.

23152434912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48881 (or 48870 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 23152434912 in words is "twenty-three billion, one hundred fifty-two million, four hundred thirty-four thousand, nine hundred twelve".