23269921 has 2 divisors, whose sum is σ = 23269922. Its totient is φ = 23269920.

The previous prime is 23269907. The next prime is 23269937. The reversal of 23269921 is 12996232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 8059921 = 3900^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 23269921 - 2¹⁷ = 23138849 is a prime.

It is not a weakly prime, because it can be changed into another prime (23269901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11634960 + 11634961.

It is an arithmetic number, because the mean of its divisors is an integer number (11634961).

Almost surely, 2^23269921 is an apocalyptic number.

It is an amenable number.

23269921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23269921 is an equidigital number, since it uses as much as digits as its factorization.

23269921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 23269921 is about 4823.8906496727. The cubic root of 23269921 is about 285.4948660953.

The spelling of 23269921 in words is "twenty-three million, two hundred sixty-nine thousand, nine hundred twenty-one".