23387279057 has 2 divisors, whose sum is σ = 23387279058. Its totient is φ = 23387279056.

The previous prime is 23387279033. The next prime is 23387279059. The reversal of 23387279057 is 75097278332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23387279041 + 16 = 152929^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 23387279057 - 2⁸ = 23387278801 is a prime.

Together with 23387279059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23387279059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11693639528 + 11693639529.

It is an arithmetic number, because the mean of its divisors is an integer number (11693639529).

Almost surely, 2^23387279057 is an apocalyptic number.

It is an amenable number.

23387279057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23387279057 is an equidigital number, since it uses as much as digits as its factorization.

23387279057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 23387279057 in words is "twenty-three billion, three hundred eighty-seven million, two hundred seventy-nine thousand, fifty-seven".