23460477949 has 2 divisors, whose sum is σ = 23460477950. Its totient is φ = 23460477948.

The previous prime is 23460477899. The next prime is 23460477959. The reversal of 23460477949 is 94977406432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23454922500 + 5555449 = 153150^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 23460477949 - 2¹⁵ = 23460445181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23460477949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23460477959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11730238974 + 11730238975.

It is an arithmetic number, because the mean of its divisors is an integer number (11730238975).

Almost surely, 2^23460477949 is an apocalyptic number.

It is an amenable number.

23460477949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23460477949 is an equidigital number, since it uses as much as digits as its factorization.

23460477949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 23460477949 in words is "twenty-three billion, four hundred sixty million, four hundred seventy-seven thousand, nine hundred forty-nine".