23363705857 has 2 divisors, whose sum is σ = 23363705858. Its totient is φ = 23363705856.

The previous prime is 23363705789. The next prime is 23363705887. The reversal of 23363705857 is 75850736332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22668012481 + 695693376 = 150559^2 + 26376^2 .

It is a cyclic number.

It is not a de Polignac number, because 23363705857 - 2¹⁵ = 23363673089 is a prime.

It is a super-2 number, since 2×23363705857² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23363705857.

It is not a weakly prime, because it can be changed into another prime (23363705887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11681852928 + 11681852929.

It is an arithmetic number, because the mean of its divisors is an integer number (11681852929).

Almost surely, 2^23363705857 is an apocalyptic number.

It is an amenable number.

23363705857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23363705857 is an equidigital number, since it uses as much as digits as its factorization.

23363705857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 23363705857 in words is "twenty-three billion, three hundred sixty-three million, seven hundred five thousand, eight hundred fifty-seven".