18253023 has 16 divisors (see below), whose sum is σ = 24852096. Its totient is φ = 11914400.

The previous prime is 18253009. The next prime is 18253033. The reversal of 18253023 is 32035281.

It is a cyclic number.

It is not a de Polignac number, because 18253023 - 2⁵ = 18252991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18252984 and 18253002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18253033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32140 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (1553256).

Almost surely, 2^18253023 is an apocalyptic number.

18253023 is a deficient number, since it is larger than the sum of its proper divisors (6599073).

18253023 is a wasteful number, since it uses less digits than its factorization.

18253023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 18253023 is about 4272.3556733961. The cubic root of 18253023 is about 263.2964076123.

The spelling of 18253023 in words is "eighteen million, two hundred fifty-three thousand, twenty-three".