23161297 has 8 divisors (see below), whose sum is σ = 24144896. Its totient is φ = 22196592.

The previous prime is 23161283. The next prime is 23161319. The reversal of 23161297 is 79216132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23161297 is a prime.

It is a super-3 number, since 3×23161297³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23161267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2193 + ... + 7150.

It is an arithmetic number, because the mean of its divisors is an integer number (3018112).

Almost surely, 2^23161297 is an apocalyptic number.

It is an amenable number.

23161297 is a deficient number, since it is larger than the sum of its proper divisors (983599).

23161297 is an equidigital number, since it uses as much as digits as its factorization.

23161297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its digits is 4536, while the sum is 31.

The square root of 23161297 is about 4812.6185180211. The cubic root of 23161297 is about 285.0499430276.

The spelling of 23161297 in words is "twenty-three million, one hundred sixty-one thousand, two hundred ninety-seven".