23708157651 has 8 divisors (see below), whose sum is σ = 35123196560. Its totient is φ = 15805438416.

The previous prime is 23708157647. The next prime is 23708157667. The reversal of 23708157651 is 15675180732.

It is a happy number.

23708157651 is a `hidden beast` number, since 2 + 3 + 70 + 8 + 1 + 576 + 5 + 1 = 666.

It is not a de Polignac number, because 23708157651 - 2² = 23708157647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23708157597 and 23708157606.

It is not an unprimeable number, because it can be changed into a prime (23708156651) 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, 439039930 + ... + 439039983.

It is an arithmetic number, because the mean of its divisors is an integer number (4390399570).

Almost surely, 2^23708157651 is an apocalyptic number.

23708157651 is a deficient number, since it is larger than the sum of its proper divisors (11415038909).

23708157651 is an equidigital number, since it uses as much as digits as its factorization.

23708157651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878079922 (or 878079916 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 23708157651 in words is "twenty-three billion, seven hundred eight million, one hundred fifty-seven thousand, six hundred fifty-one".