23057127217 has 4 divisors (see below), whose sum is σ = 24413428836. Its totient is φ = 21700825600.

The previous prime is 23057127211. The next prime is 23057127227. The reversal of 23057127217 is 71272175032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14884244001 + 8172883216 = 122001^2 + 90404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23057127217 is a prime.

It is a super-2 number, since 2×23057127217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23057127211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678150784 + ... + 678150817.

It is an arithmetic number, because the mean of its divisors is an integer number (6103357209).

Almost surely, 2^23057127217 is an apocalyptic number.

It is an amenable number.

23057127217 is a deficient number, since it is larger than the sum of its proper divisors (1356301619).

23057127217 is a wasteful number, since it uses less digits than its factorization.

23057127217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356301618.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 23057127217 in words is "twenty-three billion, fifty-seven million, one hundred twenty-seven thousand, two hundred seventeen".