23036406391 has 2 divisors, whose sum is σ = 23036406392. Its totient is φ = 23036406390.

The previous prime is 23036406377. The next prime is 23036406413. The reversal of 23036406391 is 19360463032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23036406391 - 2²⁵ = 23002851959 is a prime.

It is a super-2 number, since 2×23036406391² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23036406391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23036406301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11518203195 + 11518203196.

It is an arithmetic number, because the mean of its divisors is an integer number (11518203196).

Almost surely, 2^23036406391 is an apocalyptic number.

23036406391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23036406391 is an equidigital number, since it uses as much as digits as its factorization.

23036406391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 23036406391 in words is "twenty-three billion, thirty-six million, four hundred six thousand, three hundred ninety-one".