23031970553 has 2 divisors, whose sum is σ = 23031970554. Its totient is φ = 23031970552.

The previous prime is 23031970537. The next prime is 23031970561. The reversal of 23031970553 is 35507913032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21617232784 + 1414737769 = 147028^2 + 37613^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031970553 - 2⁴ = 23031970537 is a prime.

It is not a weakly prime, because it can be changed into another prime (23031970453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515985276 + 11515985277.

It is an arithmetic number, because the mean of its divisors is an integer number (11515985277).

Almost surely, 2^23031970553 is an apocalyptic number.

It is an amenable number.

23031970553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031970553 is an equidigital number, since it uses as much as digits as its factorization.

23031970553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 38.

The spelling of 23031970553 in words is "twenty-three billion, thirty-one million, nine hundred seventy thousand, five hundred fifty-three".