23110431277 has 2 divisors, whose sum is σ = 23110431278. Its totient is φ = 23110431276.

The previous prime is 23110431199. The next prime is 23110431299. The reversal of 23110431277 is 77213401132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20790467721 + 2319963556 = 144189^2 + 48166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23110431277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110431577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555215638 + 11555215639.

It is an arithmetic number, because the mean of its divisors is an integer number (11555215639).

Almost surely, 2^23110431277 is an apocalyptic number.

It is an amenable number.

23110431277 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110431277 is an equidigital number, since it uses as much as digits as its factorization.

23110431277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 23110431277 in words is "twenty-three billion, one hundred ten million, four hundred thirty-one thousand, two hundred seventy-seven".