23190897 has 8 divisors (see below), whose sum is σ = 31757056. Its totient is φ = 15042672.

The previous prime is 23190847. The next prime is 23190901. The reversal of 23190897 is 79809132.

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

It is not a de Polignac number, because 23190897 - 2⁶ = 23190833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23190847) 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, 104353 + ... + 104574.

It is an arithmetic number, because the mean of its divisors is an integer number (3969632).

Almost surely, 2^23190897 is an apocalyptic number.

It is an amenable number.

23190897 is a deficient number, since it is larger than the sum of its proper divisors (8566159).

23190897 is a wasteful number, since it uses less digits than its factorization.

23190897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208967.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 23190897 is about 4815.6927850518. The cubic root of 23190897 is about 285.1713220464.

The spelling of 23190897 in words is "twenty-three million, one hundred ninety thousand, eight hundred ninety-seven".