23316749 has 2 divisors, whose sum is σ = 23316750. Its totient is φ = 23316748.

The previous prime is 23316731. The next prime is 23316803. The reversal of 23316749 is 94761332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 611524 = 4765^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 23316749 - 2²⁰ = 22268173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23316149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11658374 + 11658375.

It is an arithmetic number, because the mean of its divisors is an integer number (11658375).

Almost surely, 2^23316749 is an apocalyptic number.

It is an amenable number.

23316749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23316749 is an equidigital number, since it uses as much as digits as its factorization.

23316749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 23316749 is about 4828.7419686705. The cubic root of 23316749 is about 285.6862461412.

The spelling of 23316749 in words is "twenty-three million, three hundred sixteen thousand, seven hundred forty-nine".