185423 has 4 divisors (see below), whose sum is σ = 211920. Its totient is φ = 158928.

The previous prime is 185401. The next prime is 185429. The reversal of 185423 is 324581.

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

It is not a de Polignac number, because 185423 - 2⁶ = 185359 is a prime.

It is a super-8 number, since 8×185423⁸ (a number of 44 digits) contains 88888888 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 (185429) 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, 13238 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (52980).

2¹⁸⁵⁴²³ is an apocalyptic number.

185423 is a deficient number, since it is larger than the sum of its proper divisors (26497).

185423 is an equidigital number, since it uses as much as digits as its factorization.

185423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26496.

The product of its digits is 960, while the sum is 23.

The square root of 185423 is about 430.6077101028. The cubic root of 185423 is about 57.0235872422.

The spelling of 185423 in words is "one hundred eighty-five thousand, four hundred twenty-three".