23426440326 has 16 divisors (see below), whose sum is σ = 52058756400. Its totient is φ = 7808813424.

The previous prime is 23426440319. The next prime is 23426440343. The reversal of 23426440326 is 62304462432.

23426440326 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 644 + 0 + 3 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216911431 + ... + 216911538.

It is an arithmetic number, because the mean of its divisors is an integer number (3253672275).

Almost surely, 2^23426440326 is an apocalyptic number.

23426440326 is an abundant number, since it is smaller than the sum of its proper divisors (28632316074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23426440326 is a wasteful number, since it uses less digits than its factorization.

23426440326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433822980 (or 433822974 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 23426440326 in words is "twenty-three billion, four hundred twenty-six million, four hundred forty thousand, three hundred twenty-six".