23055749 has 2 divisors, whose sum is σ = 23055750. Its totient is φ = 23055748.

The previous prime is 23055731. The next prime is 23055751. The reversal of 23055749 is 94755032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 1803649 = 4610^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 23055749 - 2¹² = 23051653 is a prime.

Together with 23055751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23055719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11527874 + 11527875.

It is an arithmetic number, because the mean of its divisors is an integer number (11527875).

Almost surely, 2^23055749 is an apocalyptic number.

It is an amenable number.

23055749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23055749 is an equidigital number, since it uses as much as digits as its factorization.

23055749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 23055749 is about 4801.6402405845. The cubic root of 23055749 is about 284.6162846762.

The spelling of 23055749 in words is "twenty-three million, fifty-five thousand, seven hundred forty-nine".