23775825761 has 2 divisors, whose sum is σ = 23775825762. Its totient is φ = 23775825760.

The previous prime is 23775825727. The next prime is 23775825763. The reversal of 23775825761 is 16752857732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23518062736 + 257763025 = 153356^2 + 16055^2 .

It is a cyclic number.

It is not a de Polignac number, because 23775825761 - 2¹⁴ = 23775809377 is a prime.

Together with 23775825763, 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 (23775825763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887912880 + 11887912881.

It is an arithmetic number, because the mean of its divisors is an integer number (11887912881).

Almost surely, 2^23775825761 is an apocalyptic number.

It is an amenable number.

23775825761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23775825761 is an equidigital number, since it uses as much as digits as its factorization.

23775825761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 53.

The spelling of 23775825761 in words is "twenty-three billion, seven hundred seventy-five million, eight hundred twenty-five thousand, seven hundred sixty-one".