23373149 has 2 divisors, whose sum is σ = 23373150. Its totient is φ = 23373148.

The previous prime is 23373137. The next prime is 23373179. The reversal of 23373149 is 94137332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 1452025 = 4682^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 23373149 - 2⁸ = 23372893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23373109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11686574 + 11686575.

It is an arithmetic number, because the mean of its divisors is an integer number (11686575).

Almost surely, 2^23373149 is an apocalyptic number.

It is an amenable number.

23373149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23373149 is an equidigital number, since it uses as much as digits as its factorization.

23373149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 23373149 is about 4834.5784718008. The cubic root of 23373149 is about 285.9164058752.

The spelling of 23373149 in words is "twenty-three million, three hundred seventy-three thousand, one hundred forty-nine".