23343402961 has 2 divisors, whose sum is σ = 23343402962. Its totient is φ = 23343402960.

The previous prime is 23343402959. The next prime is 23343403033. The reversal of 23343402961 is 16920434332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11710486225 + 11632916736 = 108215^2 + 107856^2 .

It is a cyclic number.

It is not a de Polignac number, because 23343402961 - 2¹ = 23343402959 is a prime.

Together with 23343402959, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23343402961.

It is not a weakly prime, because it can be changed into another prime (23343402911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11671701480 + 11671701481.

It is an arithmetic number, because the mean of its divisors is an integer number (11671701481).

Almost surely, 2^23343402961 is an apocalyptic number.

It is an amenable number.

23343402961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23343402961 is an equidigital number, since it uses as much as digits as its factorization.

23343402961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 23343402961 in words is "twenty-three billion, three hundred forty-three million, four hundred two thousand, nine hundred sixty-one".