23097555 has 80 divisors (see below), whose sum is σ = 46103904. Its totient is φ = 10990080.

The previous prime is 23097479. The next prime is 23097593. The reversal of 23097555 is 55579032.

It is not a de Polignac number, because 23097555 - 2⁸ = 23097299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 215812 + ... + 215918.

Almost surely, 2^23097555 is an apocalyptic number.

23097555 is a deficient number, since it is larger than the sum of its proper divisors (23006349).

23097555 is a wasteful number, since it uses less digits than its factorization.

23097555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 23097555 is about 4805.9915730263. The cubic root of 23097555 is about 284.7882083015.

The spelling of 23097555 in words is "twenty-three million, ninety-seven thousand, five hundred fifty-five".