23745089 has 2 divisors, whose sum is σ = 23745090. Its totient is φ = 23745088.

The previous prime is 23745077. The next prime is 23745091. The reversal of 23745089 is 98054732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 7745089 = 4000^2 + 2783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23745089 is a prime.

Together with 23745091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23745049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872544 + 11872545.

It is an arithmetic number, because the mean of its divisors is an integer number (11872545).

Almost surely, 2^23745089 is an apocalyptic number.

It is an amenable number.

23745089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23745089 is an equidigital number, since it uses as much as digits as its factorization.

23745089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 23745089 is about 4872.8932883863. The cubic root of 23745089 is about 287.4250400667.

The spelling of 23745089 in words is "twenty-three million, seven hundred forty-five thousand, eighty-nine".