23264021 has 8 divisors (see below), whose sum is σ = 25488000. Its totient is φ = 21058240.

The previous prime is 23264011. The next prime is 23264023. The reversal of 23264021 is 12046232.

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

It is a cyclic number.

It is not a de Polignac number, because 23264021 - 2⁶ = 23263957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23263984 and 23264002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23264023) 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, 1796 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (3186000).

Almost surely, 2^23264021 is an apocalyptic number.

It is an amenable number.

23264021 is a deficient number, since it is larger than the sum of its proper divisors (2223979).

23264021 is a wasteful number, since it uses less digits than its factorization.

23264021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23264021 is about 4823.2790713373. The cubic root of 23264021 is about 285.4707353431.

The spelling of 23264021 in words is "twenty-three million, two hundred sixty-four thousand, twenty-one".