23842881 has 12 divisors (see below), whose sum is σ = 35937408. Its totient is φ = 15204024.

The previous prime is 23842877. The next prime is 23842883. The reversal of 23842881 is 18824832.

It is a happy number.

It is not a de Polignac number, because 23842881 - 2² = 23842877 is a prime.

It is a super-2 number, since 2×23842881² = 1136965948760322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23842883) 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 11 ways as a sum of consecutive naturals, for example, 57385 + ... + 57798.

It is an arithmetic number, because the mean of its divisors is an integer number (2994784).

Almost surely, 2^23842881 is an apocalyptic number.

It is an amenable number.

23842881 is a deficient number, since it is larger than the sum of its proper divisors (12094527).

23842881 is a wasteful number, since it uses less digits than its factorization.

23842881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115212 (or 115209 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 23842881 is about 4882.9172632761. The cubic root of 23842881 is about 287.8190776295.

The spelling of 23842881 in words is "twenty-three million, eight hundred forty-two thousand, eight hundred eighty-one".