23919461939 has 2 divisors, whose sum is σ = 23919461940. Its totient is φ = 23919461938.

The previous prime is 23919461879. The next prime is 23919462011. The reversal of 23919461939 is 93916491932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23919461939 - 2²⁴ = 23902684723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23919461039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959730969 + 11959730970.

It is an arithmetic number, because the mean of its divisors is an integer number (11959730970).

Almost surely, 2^23919461939 is an apocalyptic number.

23919461939 is a deficient number, since it is larger than the sum of its proper divisors (1).

23919461939 is an equidigital number, since it uses as much as digits as its factorization.

23919461939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 56.

The spelling of 23919461939 in words is "twenty-three billion, nine hundred nineteen million, four hundred sixty-one thousand, nine hundred thirty-nine".