23956990163 has 2 divisors, whose sum is σ = 23956990164. Its totient is φ = 23956990162.

The previous prime is 23956990159. The next prime is 23956990231. The reversal of 23956990163 is 36109965932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23956990163 - 2² = 23956990159 is a prime.

It is a super-3 number, since 3×23956990163³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23956990963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978495081 + 11978495082.

It is an arithmetic number, because the mean of its divisors is an integer number (11978495082).

Almost surely, 2^23956990163 is an apocalyptic number.

23956990163 is a deficient number, since it is larger than the sum of its proper divisors (1).

23956990163 is an equidigital number, since it uses as much as digits as its factorization.

23956990163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2361960, while the sum is 53.

The spelling of 23956990163 in words is "twenty-three billion, nine hundred fifty-six million, nine hundred ninety thousand, one hundred sixty-three".