23990401159 has 2 divisors, whose sum is σ = 23990401160. Its totient is φ = 23990401158.

The previous prime is 23990401157. The next prime is 23990401189. The reversal of 23990401159 is 95110409932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23990401159 - 2¹ = 23990401157 is a prime.

Together with 23990401157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23990401151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11995200579 + 11995200580.

It is an arithmetic number, because the mean of its divisors is an integer number (11995200580).

Almost surely, 2^23990401159 is an apocalyptic number.

23990401159 is a deficient number, since it is larger than the sum of its proper divisors (1).

23990401159 is an equidigital number, since it uses as much as digits as its factorization.

23990401159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 23990401159 in words is "twenty-three billion, nine hundred ninety million, four hundred one thousand, one hundred fifty-nine".