23724426 has 32 divisors (see below), whose sum is σ = 54489600. Its totient is φ = 6810480.

The previous prime is 23724409. The next prime is 23724439. The reversal of 23724426 is 62442732.

It is a junction number, because it is equal to n+sod(n) for n = 23724393 and 23724402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8206 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (1702800).

Almost surely, 2^23724426 is an apocalyptic number.

23724426 is an abundant number, since it is smaller than the sum of its proper divisors (30765174).

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

23724426 is a wasteful number, since it uses less digits than its factorization.

23724426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954.

The product of its digits is 16128, while the sum is 30.

The square root of 23724426 is about 4870.7726286494. The cubic root of 23724426 is about 287.3416433531.

The spelling of 23724426 in words is "twenty-three million, seven hundred twenty-four thousand, four hundred twenty-six".