23000643057 has 32 divisors (see below), whose sum is σ = 36745943040. Its totient is φ = 12512142720.

The previous prime is 23000642953. The next prime is 23000643091. The reversal of 23000643057 is 75034600032.

It is not a de Polignac number, because 23000643057 - 2²² = 22996448753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23000641057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10932 + ... + 214757.

It is an arithmetic number, because the mean of its divisors is an integer number (1148310720).

Almost surely, 2^23000643057 is an apocalyptic number.

It is an amenable number.

23000643057 is a deficient number, since it is larger than the sum of its proper divisors (13745299983).

23000643057 is a wasteful number, since it uses less digits than its factorization.

23000643057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225933.

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 23000643057 in words is "twenty-three billion, six hundred forty-three thousand, fifty-seven".