23126404065 has 16 divisors (see below), whose sum is σ = 37008042048. Its totient is φ = 12332150336.

The previous prime is 23126404051. The next prime is 23126404069. The reversal of 23126404065 is 56040462132.

It is a cyclic number.

It is not a de Polignac number, because 23126404065 - 2⁸ = 23126403809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23126404069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19014 + ... + 215903.

It is an arithmetic number, because the mean of its divisors is an integer number (2313002628).

Almost surely, 2^23126404065 is an apocalyptic number.

It is an amenable number.

23126404065 is a deficient number, since it is larger than the sum of its proper divisors (13881637983).

23126404065 is a wasteful number, since it uses less digits than its factorization.

23126404065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241488.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 23126404065 its reverse (56040462132), we get a palindrome (79166866197).

The spelling of 23126404065 in words is "twenty-three billion, one hundred twenty-six million, four hundred four thousand, sixty-five".