18223883 has 4 divisors (see below), whose sum is σ = 18319488. Its totient is φ = 18128280.

The previous prime is 18223853. The next prime is 18223903. The reversal of 18223883 is 38832281.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38832281 = 2203 ⋅17627.

It is a cyclic number.

It is not a de Polignac number, because 18223883 - 2⁸ = 18223627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18223853) 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, 47516 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (4579872).

Almost surely, 2^18223883 is an apocalyptic number.

18223883 is a deficient number, since it is larger than the sum of its proper divisors (95605).

18223883 is an equidigital number, since it uses as much as digits as its factorization.

18223883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95604.

The product of its digits is 18432, while the sum is 35.

The square root of 18223883 is about 4268.9440146247. The cubic root of 18223883 is about 263.1562199872.

The spelling of 18223883 in words is "eighteen million, two hundred twenty-three thousand, eight hundred eighty-three".