23057559977 has 2 divisors, whose sum is σ = 23057559978. Its totient is φ = 23057559976.

The previous prime is 23057559929. The next prime is 23057559983. The reversal of 23057559977 is 77995575032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17147640601 + 5909919376 = 130949^2 + 76876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23057559977 - 2¹² = 23057555881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23057559997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528779988 + 11528779989.

It is an arithmetic number, because the mean of its divisors is an integer number (11528779989).

Almost surely, 2^23057559977 is an apocalyptic number.

It is an amenable number.

23057559977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23057559977 is an equidigital number, since it uses as much as digits as its factorization.

23057559977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20837250, while the sum is 59.

The spelling of 23057559977 in words is "twenty-three billion, fifty-seven million, five hundred fifty-nine thousand, nine hundred seventy-seven".