23831497 has 4 divisors (see below), whose sum is σ = 23898240. Its totient is φ = 23764756.

The previous prime is 23831461. The next prime is 23831527. The reversal of 23831497 is 79413832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23831497 - 2⁷ = 23831369 is a prime.

It is a super-2 number, since 2×23831497² = 1135880498522018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23831597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32833 + ... + 33550.

It is an arithmetic number, because the mean of its divisors is an integer number (5974560).

Almost surely, 2^23831497 is an apocalyptic number.

It is an amenable number.

23831497 is a deficient number, since it is larger than the sum of its proper divisors (66743).

23831497 is an equidigital number, since it uses as much as digits as its factorization.

23831497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66742.

The product of its digits is 36288, while the sum is 37.

The square root of 23831497 is about 4881.7514275104. The cubic root of 23831497 is about 287.7732630599.

The spelling of 23831497 in words is "twenty-three million, eight hundred thirty-one thousand, four hundred ninety-seven".