23981119 has 4 divisors (see below), whose sum is σ = 24027496. Its totient is φ = 23934744.

The previous prime is 23981117. The next prime is 23981123. The reversal of 23981119 is 91118932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23981119 - 2¹ = 23981117 is a prime.

It is a super-2 number, since 2×23981119² = 1150188136984322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22404 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (6006874).

Almost surely, 2^23981119 is an apocalyptic number.

23981119 is a deficient number, since it is larger than the sum of its proper divisors (46377).

23981119 is an equidigital number, since it uses as much as digits as its factorization.

23981119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46376.

The product of its digits is 3888, while the sum is 34.

The square root of 23981119 is about 4897.0520724207. The cubic root of 23981119 is about 288.3742522330.

The spelling of 23981119 in words is "twenty-three million, nine hundred eighty-one thousand, one hundred nineteen".