23177149 has 2 divisors, whose sum is σ = 23177150. Its totient is φ = 23177148.

The previous prime is 23177117. The next prime is 23177153. The reversal of 23177149 is 94177132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 6285049 = 4110^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 23177149 - 2⁵ = 23177117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23175149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11588574 + 11588575.

It is an arithmetic number, because the mean of its divisors is an integer number (11588575).

Almost surely, 2^23177149 is an apocalyptic number.

It is an amenable number.

23177149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23177149 is an equidigital number, since it uses as much as digits as its factorization.

23177149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 23177149 is about 4814.2651568022. The cubic root of 23177149 is about 285.1149592659.

The spelling of 23177149 in words is "twenty-three million, one hundred seventy-seven thousand, one hundred forty-nine".