23335921 has 4 divisors (see below), whose sum is σ = 26669632. Its totient is φ = 20002212.

The previous prime is 23335909. The next prime is 23335927. The reversal of 23335921 is 12953332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23335921 - 2¹⁷ = 23204849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23335921.

It is not an unprimeable number, because it can be changed into a prime (23335927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666845 + ... + 1666858.

It is an arithmetic number, because the mean of its divisors is an integer number (6667408).

Almost surely, 2^23335921 is an apocalyptic number.

It is an amenable number.

23335921 is a deficient number, since it is larger than the sum of its proper divisors (3333711).

23335921 is an equidigital number, since it uses as much as digits as its factorization.

23335921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333710.

The product of its digits is 4860, while the sum is 28.

The square root of 23335921 is about 4830.7267569176. The cubic root of 23335921 is about 285.7645257248.

The spelling of 23335921 in words is "twenty-three million, three hundred thirty-five thousand, nine hundred twenty-one".