23412021 has 4 divisors (see below), whose sum is σ = 31216032. Its totient is φ = 15608012.

The previous prime is 23412007. The next prime is 23412023. The reversal of 23412021 is 12021432.

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 23412021 - 2⁵ = 23411989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23412023) 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, 3902001 + ... + 3902006.

It is an arithmetic number, because the mean of its divisors is an integer number (7804008).

Almost surely, 2^23412021 is an apocalyptic number.

It is an amenable number.

23412021 is a deficient number, since it is larger than the sum of its proper divisors (7804011).

23412021 is an equidigital number, since it uses as much as digits as its factorization.

23412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23412021 is about 4838.5970073979. The cubic root of 23412021 is about 286.0748210847.

Adding to 23412021 its reverse (12021432), we get a palindrome (35433453).

The spelling of 23412021 in words is "twenty-three million, four hundred twelve thousand, twenty-one".