23070902657 has 36 divisors (see below), whose sum is σ = 27080999820. Its totient is φ = 19639607680.

The previous prime is 23070902653. The next prime is 23070902669. The reversal of 23070902657 is 75620907032.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 9421420096 + 13649482561 = 97064^2 + 116831^2 .

It is not a de Polignac number, because 23070902657 - 2² = 23070902653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23070902653) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117111083 + ... + 117111279.

It is an arithmetic number, because the mean of its divisors is an integer number (752249995).

Almost surely, 2^23070902657 is an apocalyptic number.

It is an amenable number.

23070902657 is a deficient number, since it is larger than the sum of its proper divisors (4010097163).

23070902657 is an frugal number, since it uses more digits than its factorization.

23070902657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 23070902657 in words is "twenty-three billion, seventy million, nine hundred two thousand, six hundred fifty-seven".