8656997023 has 6 divisors (see below), whose sum is σ = 9196187456. Its totient is φ = 8147761632.

The previous prime is 8656997003. The next prime is 8656997047. The reversal of 8656997023 is 3207996568.

It is not a de Polignac number, because 8656997023 - 2¹³ = 8656988831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8656997003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14977215 + ... + 14977792.

Almost surely, 2^8656997023 is an apocalyptic number.

8656997023 is a deficient number, since it is larger than the sum of its proper divisors (539190433).

8656997023 is a wasteful number, since it uses less digits than its factorization.

8656997023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29955041 (or 29955024 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The square root of 8656997023 is about 93042.9848134721. The cubic root of 8656997023 is about 2053.3158333394.

The spelling of 8656997023 in words is "eight billion, six hundred fifty-six million, nine hundred ninety-seven thousand, twenty-three".