23375884812857 has 2 divisors, whose sum is σ = 23375884812858. Its totient is φ = 23375884812856.

The previous prime is 23375884812773. The next prime is 23375884812883. The reversal of 23375884812857 is 75821848857332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20193303740416 + 3182581072441 = 4493696^2 + 1783979^2 .

It is a cyclic number.

It is not a de Polignac number, because 23375884812857 - 2²² = 23375880618553 is a prime.

It is not a weakly prime, because it can be changed into another prime (23375884812157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11687942406428 + 11687942406429.

It is an arithmetic number, because the mean of its divisors is an integer number (11687942406429).

Almost surely, 2^{23375884812857} is an apocalyptic number.

It is an amenable number.

23375884812857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23375884812857 is an equidigital number, since it uses as much as digits as its factorization.

23375884812857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 722534400, while the sum is 71.

The spelling of 23375884812857 in words is "twenty-three trillion, three hundred seventy-five billion, eight hundred eighty-four million, eight hundred twelve thousand, eight hundred fifty-seven".