23332021 has 2 divisors, whose sum is σ = 23332022. Its totient is φ = 23332020.

The previous prime is 23332003. The next prime is 23332063. The reversal of 23332021 is 12023332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 579121 = 4770^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 23332021 - 2⁵ = 23331989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23331986 and 23332004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23332121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666010 + 11666011.

It is an arithmetic number, because the mean of its divisors is an integer number (11666011).

Almost surely, 2^23332021 is an apocalyptic number.

It is an amenable number.

23332021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23332021 is an equidigital number, since it uses as much as digits as its factorization.

23332021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23332021 is about 4830.3230740811. The cubic root of 23332021 is about 285.7486054369.

Adding to 23332021 its reverse (12023332), we get a palindrome (35355353).

The spelling of 23332021 in words is "twenty-three million, three hundred thirty-two thousand, twenty-one".