23311850057 has 2 divisors, whose sum is σ = 23311850058. Its totient is φ = 23311850056.

The previous prime is 23311850039. The next prime is 23311850099. The reversal of 23311850057 is 75005811332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19852528201 + 3459321856 = 140899^2 + 58816^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311850057 - 2²⁸ = 23043414601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23311849999 and 23311850026.

It is not a weakly prime, because it can be changed into another prime (23311850027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655925028 + 11655925029.

It is an arithmetic number, because the mean of its divisors is an integer number (11655925029).

Almost surely, 2^23311850057 is an apocalyptic number.

It is an amenable number.

23311850057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311850057 is an equidigital number, since it uses as much as digits as its factorization.

23311850057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 23311850057 in words is "twenty-three billion, three hundred eleven million, eight hundred fifty thousand, fifty-seven".