23437234872 has 32 divisors (see below), whose sum is σ = 65103430800. Its totient is φ = 7812411552.

The previous prime is 23437234831. The next prime is 23437234879. The reversal of 23437234872 is 27843273432.

Added to its reverse (27843273432) it gives a square (51280508304 = 226452²).

23437234872 is a `hidden beast` number, since 2 + 343 + 7 + 234 + 8 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23437234879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54252643 + ... + 54253074.

Almost surely, 2^23437234872 is an apocalyptic number.

It is an amenable number.

23437234872 is an abundant number, since it is smaller than the sum of its proper divisors (41666195928).

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

23437234872 is a wasteful number, since it uses less digits than its factorization.

23437234872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108505732 (or 108505722 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

Adding to 23437234872 its reverse (27843273432), we get a square (51280508304 = 226452²).

The spelling of 23437234872 in words is "twenty-three billion, four hundred thirty-seven million, two hundred thirty-four thousand, eight hundred seventy-two".