23725464436 has 12 divisors (see below), whose sum is σ = 43324761312. Its totient is φ = 11346961208.

The previous prime is 23725464419. The next prime is 23725464443. The reversal of 23725464436 is 63446452732.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128942650 + ... + 128942833.

It is an arithmetic number, because the mean of its divisors is an integer number (3610396776).

Almost surely, 2^23725464436 is an apocalyptic number.

It is an amenable number.

23725464436 is a deficient number, since it is larger than the sum of its proper divisors (19599296876).

23725464436 is a wasteful number, since it uses less digits than its factorization.

23725464436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257885510 (or 257885508 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 46.

The spelling of 23725464436 in words is "twenty-three billion, seven hundred twenty-five million, four hundred sixty-four thousand, four hundred thirty-six".