23255583977 has 2 divisors, whose sum is σ = 23255583978. Its totient is φ = 23255583976.

The previous prime is 23255583971. The next prime is 23255583991. The reversal of 23255583977 is 77938555232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23242831936 + 12752041 = 152456^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255583977 - 2²⁰ = 23254535401 is a prime.

It is a super-2 number, since 2×23255583977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23255583971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627791988 + 11627791989.

It is an arithmetic number, because the mean of its divisors is an integer number (11627791989).

Almost surely, 2^23255583977 is an apocalyptic number.

It is an amenable number.

23255583977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255583977 is an equidigital number, since it uses as much as digits as its factorization.

23255583977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876000, while the sum is 56.

The spelling of 23255583977 in words is "twenty-three billion, two hundred fifty-five million, five hundred eighty-three thousand, nine hundred seventy-seven".