190023 has 8 divisors (see below), whose sum is σ = 256368. Its totient is φ = 125184.

The previous prime is 189997. The next prime is 190027. The reversal of 190023 is 320091.

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

It is not a de Polignac number, because 190023 - 2⁸ = 189767 is a prime.

It is a super-2 number, since 2×190023² = 72217481058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189984 and 190011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190027) 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, 36 + ... + 617.

It is an arithmetic number, because the mean of its divisors is an integer number (32046).

2¹⁹⁰⁰²³ is an apocalyptic number.

190023 is a deficient number, since it is larger than the sum of its proper divisors (66345).

190023 is an equidigital number, since it uses as much as digits as its factorization.

190023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 190023 is about 435.9162763651. The cubic root of 190023 is about 57.4912904263.

The spelling of 190023 in words is "one hundred ninety thousand, twenty-three".