23204689 has 2 divisors, whose sum is σ = 23204690. Its totient is φ = 23204688.

The previous prime is 23204653. The next prime is 23204707. The reversal of 23204689 is 98640232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 2274064 = 4575^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 23204689 - 2¹⁹ = 22680401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23202689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602344 + 11602345.

It is an arithmetic number, because the mean of its divisors is an integer number (11602345).

Almost surely, 2^23204689 is an apocalyptic number.

It is an amenable number.

23204689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204689 is an equidigital number, since it uses as much as digits as its factorization.

23204689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 23204689 is about 4817.1245572437. The cubic root of 23204689 is about 285.2278428362.

The spelling of 23204689 in words is "twenty-three million, two hundred four thousand, six hundred eighty-nine".