23304906 has 48 divisors (see below), whose sum is σ = 53857440. Its totient is φ = 7261920.

The previous prime is 23304871. The next prime is 23304907. The reversal of 23304906 is 60940332.

It is a super-4 number, since 4×23304906⁴ (a number of 31 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23304906.

It is not an unprimeable number, because it can be changed into a prime (23304907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27976 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (1122030).

Almost surely, 2^23304906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23304906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26928720).

23304906 is an abundant number, since it is smaller than the sum of its proper divisors (30552534).

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

23304906 is a wasteful number, since it uses less digits than its factorization.

23304906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23304906 is about 4827.5155100735. The cubic root of 23304906 is about 285.6378695400.

The spelling of 23304906 in words is "twenty-three million, three hundred four thousand, nine hundred six".