23486554961 has 2 divisors, whose sum is σ = 23486554962. Its totient is φ = 23486554960.

The previous prime is 23486554943. The next prime is 23486554963. The reversal of 23486554961 is 16945568432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15163459600 + 8323095361 = 123140^2 + 91231^2 .

It is a cyclic number.

It is not a de Polignac number, because 23486554961 - 2¹⁴ = 23486538577 is a prime.

It is a Sophie Germain prime.

Together with 23486554963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23486554963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11743277480 + 11743277481.

It is an arithmetic number, because the mean of its divisors is an integer number (11743277481).

Almost surely, 2^23486554961 is an apocalyptic number.

It is an amenable number.

23486554961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23486554961 is an equidigital number, since it uses as much as digits as its factorization.

23486554961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 53.

The spelling of 23486554961 in words is "twenty-three billion, four hundred eighty-six million, five hundred fifty-four thousand, nine hundred sixty-one".