23304021 has 8 divisors (see below), whose sum is σ = 33462240. Its totient is φ = 14340912.

The previous prime is 23303953. The next prime is 23304041. The reversal of 23304021 is 12040332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23304021 - 2¹⁷ = 23172949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298731 + ... + 298808.

It is an arithmetic number, because the mean of its divisors is an integer number (4182780).

Almost surely, 2^23304021 is an apocalyptic number.

It is an amenable number.

23304021 is a deficient number, since it is larger than the sum of its proper divisors (10158219).

23304021 is a wasteful number, since it uses less digits than its factorization.

23304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597555.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23304021 is about 4827.4238471466. The cubic root of 23304021 is about 285.6342538104.

Adding to 23304021 its reverse (12040332), we get a palindrome (35344353).

The spelling of 23304021 in words is "twenty-three million, three hundred four thousand, twenty-one".