23097831 has 8 divisors (see below), whose sum is σ = 31004400. Its totient is φ = 15294912.

The previous prime is 23097829. The next prime is 23097839. The reversal of 23097831 is 13879032.

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

It is not a de Polignac number, because 23097831 - 2¹ = 23097829 is a prime.

It is a super-2 number, since 2×23097831² = 1067019593809122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23097792 and 23097801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23097839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25390 + ... + 26283.

It is an arithmetic number, because the mean of its divisors is an integer number (3875550).

Almost surely, 2^23097831 is an apocalyptic number.

23097831 is a deficient number, since it is larger than the sum of its proper divisors (7906569).

23097831 is a wasteful number, since it uses less digits than its factorization.

23097831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51825.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 23097831 is about 4806.0202870983. The cubic root of 23097831 is about 284.7893426384.

The spelling of 23097831 in words is "twenty-three million, ninety-seven thousand, eight hundred thirty-one".