23725688753 has 4 divisors (see below), whose sum is σ = 25550741748. Its totient is φ = 21900635760.

The previous prime is 23725688743. The next prime is 23725688761. The reversal of 23725688753 is 35788652732.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1977403024 + 21748285729 = 44468^2 + 147473^2 .

It is a cyclic number.

It is not a de Polignac number, because 23725688753 - 2²² = 23721494449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23725688743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912526478 + ... + 912526503.

It is an arithmetic number, because the mean of its divisors is an integer number (6387685437).

Almost surely, 2^23725688753 is an apocalyptic number.

It is an amenable number.

23725688753 is a deficient number, since it is larger than the sum of its proper divisors (1825052995).

23725688753 is a wasteful number, since it uses less digits than its factorization.

23725688753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825052994.

The product of its digits is 16934400, while the sum is 56.

The spelling of 23725688753 in words is "twenty-three billion, seven hundred twenty-five million, six hundred eighty-eight thousand, seven hundred fifty-three".