23881497 has 8 divisors (see below), whose sum is σ = 32170656. Its totient is φ = 15756672.

The previous prime is 23881493. The next prime is 23881511. The reversal of 23881497 is 79418832.

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

It is not a de Polignac number, because 23881497 - 2² = 23881493 is a prime.

It is a super-2 number, since 2×23881497² = 1140651797922018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23881493) 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, 40743 + ... + 41324.

It is an arithmetic number, because the mean of its divisors is an integer number (4021332).

Almost surely, 2^23881497 is an apocalyptic number.

It is an amenable number.

23881497 is a deficient number, since it is larger than the sum of its proper divisors (8289159).

23881497 is an equidigital number, since it uses as much as digits as its factorization.

23881497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82167.

The product of its digits is 96768, while the sum is 42.

The square root of 23881497 is about 4886.8698570762. The cubic root of 23881497 is about 287.9743780254.

The spelling of 23881497 in words is "twenty-three million, eight hundred eighty-one thousand, four hundred ninety-seven".