23072351238 has 48 divisors (see below), whose sum is σ = 52878215520. Its totient is φ = 7255619712.

The previous prime is 23072351209. The next prime is 23072351249. The reversal of 23072351238 is 83215327032.

23072351238 is a `hidden beast` number, since 2 + 3 + 0 + 72 + 351 + 238 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351493 + ... + 411936.

It is an arithmetic number, because the mean of its divisors is an integer number (1101629490).

Almost surely, 2^23072351238 is an apocalyptic number.

23072351238 is an abundant number, since it is smaller than the sum of its proper divisors (29805864282).

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

23072351238 is a wasteful number, since it uses less digits than its factorization.

23072351238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763533 (or 763530 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

It can be divided in two parts, 230723 and 51238, that added together give a square (281961 = 531²).

The spelling of 23072351238 in words is "twenty-three billion, seventy-two million, three hundred fifty-one thousand, two hundred thirty-eight".