23803881 has 4 divisors (see below), whose sum is σ = 31738512. Its totient is φ = 15869252.

The previous prime is 23803823. The next prime is 23803883. The reversal of 23803881 is 18830832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23803881 - 2¹⁹ = 23279593 is a prime.

It is a super-2 number, since 2×23803881² = 1133249501324322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23803883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967311 + ... + 3967316.

It is an arithmetic number, because the mean of its divisors is an integer number (7934628).

Almost surely, 2^23803881 is an apocalyptic number.

It is an amenable number.

23803881 is a deficient number, since it is larger than the sum of its proper divisors (7934631).

23803881 is an equidigital number, since it uses as much as digits as its factorization.

23803881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934630.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 23803881 is about 4878.9221145659. The cubic root of 23803881 is about 287.6620626300.

The spelling of 23803881 in words is "twenty-three million, eight hundred three thousand, eight hundred eighty-one".