23213464857 has 36 divisors (see below), whose sum is σ = 38044860672. Its totient is φ = 13614915600.

The previous prime is 23213464853. The next prime is 23213464867. The reversal of 23213464857 is 75846431232.

23213464857 is a `hidden beast` number, since 2 + 32 + 134 + 6 + 485 + 7 = 666.

It is not a de Polignac number, because 23213464857 - 2² = 23213464853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23213464853) 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, 310053 + ... + 377570.

Almost surely, 2^23213464857 is an apocalyptic number.

It is an amenable number.

23213464857 is a deficient number, since it is larger than the sum of its proper divisors (14831395815).

23213464857 is a wasteful number, since it uses less digits than its factorization.

23213464857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687682 (or 687668 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 23213464857 in words is "twenty-three billion, two hundred thirteen million, four hundred sixty-four thousand, eight hundred fifty-seven".