18452423 has 8 divisors (see below), whose sum is σ = 20167056. Its totient is φ = 16744000.

The previous prime is 18452411. The next prime is 18452431. The reversal of 18452423 is 32425481.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18452423 - 2⁶ = 18452359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18452443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6515 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882).

Almost surely, 2^18452423 is an apocalyptic number.

18452423 is a deficient number, since it is larger than the sum of its proper divisors (1714633).

18452423 is a wasteful number, since it uses less digits than its factorization.

18452423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105.

The product of its digits is 7680, while the sum is 29.

The square root of 18452423 is about 4295.6283591577. The cubic root of 18452423 is about 264.2517064871.

The spelling of 18452423 in words is "eighteen million, four hundred fifty-two thousand, four hundred twenty-three".