23126404 has 24 divisors (see below), whose sum is σ = 46908288. Its totient is φ = 9770880.

The previous prime is 23126399. The next prime is 23126413. The reversal of 23126404 is 40462132.

It is a happy number.

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, 3829 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (1954512).

Almost surely, 2^23126404 is an apocalyptic number.

It is an amenable number.

23126404 is an abundant number, since it is smaller than the sum of its proper divisors (23781884).

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

23126404 is a wasteful number, since it uses less digits than its factorization.

23126404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715 (or 11713 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23126404 is about 4808.9919941709. The cubic root of 23126404 is about 284.9067264280.

Adding to 23126404 its reverse (40462132), we get a palindrome (63588536).

The spelling of 23126404 in words is "twenty-three million, one hundred twenty-six thousand, four hundred four".