23075149 has 2 divisors, whose sum is σ = 23075150. Its totient is φ = 23075148.

The previous prime is 23075131. The next prime is 23075179. The reversal of 23075149 is 94157032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 465124 = 4755^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 23075149 - 2⁷ = 23075021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23075149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23075179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11537574 + 11537575.

It is an arithmetic number, because the mean of its divisors is an integer number (11537575).

Almost surely, 2^23075149 is an apocalyptic number.

It is an amenable number.

23075149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23075149 is an equidigital number, since it uses as much as digits as its factorization.

23075149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 23075149 is about 4803.6599588231. The cubic root of 23075149 is about 284.6960913507.

The spelling of 23075149 in words is "twenty-three million, seventy-five thousand, one hundred forty-nine".