23881797 has 24 divisors (see below), whose sum is σ = 37337664. Its totient is φ = 15225408.

The previous prime is 23881789. The next prime is 23881807. The reversal of 23881797 is 79718832.

It is not a de Polignac number, because 23881797 - 2³ = 23881789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23881717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3453 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (1555736).

Almost surely, 2^23881797 is an apocalyptic number.

23881797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23881797 is a deficient number, since it is larger than the sum of its proper divisors (13455867).

23881797 is an equidigital number, since it uses as much as digits as its factorization.

23881797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 4299 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 23881797 is about 4886.9005514743. The cubic root of 23881797 is about 287.9755838676.

The spelling of 23881797 in words is "twenty-three million, eight hundred eighty-one thousand, seven hundred ninety-seven".