23097499 has 4 divisors (see below), whose sum is σ = 23121664. Its totient is φ = 23073336.

The previous prime is 23097479. The next prime is 23097593. The reversal of 23097499 is 99479032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23097499 - 2⁹ = 23096987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23097409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10587 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (5780416).

Almost surely, 2^23097499 is an apocalyptic number.

23097499 is a deficient number, since it is larger than the sum of its proper divisors (24165).

23097499 is an equidigital number, since it uses as much as digits as its factorization.

23097499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 23097499 is about 4805.9857469618. The cubic root of 23097499 is about 284.7879781450.

The spelling of 23097499 in words is "twenty-three million, ninety-seven thousand, four hundred ninety-nine".