190923 has 8 divisors (see below), whose sum is σ = 265728. Its totient is φ = 121704.

The previous prime is 190921. The next prime is 190979. The reversal of 190923 is 329091.

It is a happy number.

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

It is not a de Polignac number, because 190923 - 2¹ = 190921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190893 and 190902.

It is not an unprimeable number, because it can be changed into a prime (190921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (33216).

2¹⁹⁰⁹²³ is an apocalyptic number.

190923 is a deficient number, since it is larger than the sum of its proper divisors (74805).

190923 is a wasteful number, since it uses less digits than its factorization.

190923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 190923 is about 436.9473652512. The cubic root of 190923 is about 57.5819122411.

The spelling of 190923 in words is "one hundred ninety thousand, nine hundred twenty-three".