23743881 has 48 divisors (see below), whose sum is σ = 41532480. Its totient is φ = 13366080.

The previous prime is 23743873. The next prime is 23743897. The reversal of 23743881 is 18834732.

It is not a de Polignac number, because 23743881 - 2³ = 23743873 is a prime.

It is a super-2 number, since 2×23743881² = 1127543769884322, which contains 22 as substring.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (23743871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173245 + ... + 173381.

It is an arithmetic number, because the mean of its divisors is an integer number (865260).

Almost surely, 2^23743881 is an apocalyptic number.

23743881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23743881 is a deficient number, since it is larger than the sum of its proper divisors (17788599).

23743881 is a wasteful number, since it uses less digits than its factorization.

23743881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 278 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 23743881 is about 4872.7693358090. The cubic root of 23743881 is about 287.4201658611.

The spelling of 23743881 in words is "twenty-three million, seven hundred forty-three thousand, eight hundred eighty-one".