23841881 has 6 divisors (see below), whose sum is σ = 27734490. Its totient is φ = 20435856.

The previous prime is 23841859. The next prime is 23841893. The reversal of 23841881 is 18814832.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 648025 = 4816^2 + 805^2 .

It is not a de Polignac number, because 23841881 - 2¹⁸ = 23579737 is a prime.

It is a super-2 number, since 2×23841881² = 1136870579236322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23841281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243236 + ... + 243333.

It is an arithmetic number, because the mean of its divisors is an integer number (4622415).

Almost surely, 2^23841881 is an apocalyptic number.

It is an amenable number.

23841881 is a deficient number, since it is larger than the sum of its proper divisors (3892609).

23841881 is an equidigital number, since it uses as much as digits as its factorization.

23841881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486583 (or 486576 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 23841881 is about 4882.8148643994. The cubic root of 23841881 is about 287.8150537435.

The spelling of 23841881 in words is "twenty-three million, eight hundred forty-one thousand, eight hundred eighty-one".