23326327961 has 2 divisors, whose sum is σ = 23326327962. Its totient is φ = 23326327960.

The previous prime is 23326327931. The next prime is 23326327993. The reversal of 23326327961 is 16972362332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14803345561 + 8522982400 = 121669^2 + 92320^2 .

It is a cyclic number.

It is not a de Polignac number, because 23326327961 - 2¹⁸ = 23326065817 is a prime.

It is a super-2 number, since 2×23326327961² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23326327931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11663163980 + 11663163981.

It is an arithmetic number, because the mean of its divisors is an integer number (11663163981).

Almost surely, 2^23326327961 is an apocalyptic number.

It is an amenable number.

23326327961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23326327961 is an equidigital number, since it uses as much as digits as its factorization.

23326327961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The spelling of 23326327961 in words is "twenty-three billion, three hundred twenty-six million, three hundred twenty-seven thousand, nine hundred sixty-one".