23310949979 has 2 divisors, whose sum is σ = 23310949980. Its totient is φ = 23310949978.

The previous prime is 23310949943. The next prime is 23310949993. The reversal of 23310949979 is 97994901332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23310949979 - 2¹² = 23310945883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23310949579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655474989 + 11655474990.

It is an arithmetic number, because the mean of its divisors is an integer number (11655474990).

Almost surely, 2^23310949979 is an apocalyptic number.

23310949979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23310949979 is an equidigital number, since it uses as much as digits as its factorization.

23310949979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 23310949979 in words is "twenty-three billion, three hundred ten million, nine hundred forty-nine thousand, nine hundred seventy-nine".