153923 has 8 divisors (see below), whose sum is σ = 192000. Its totient is φ = 119880.

The previous prime is 153913. The next prime is 153929. The reversal of 153923 is 329351.

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 153923 - 2¹⁰ = 152899 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 (153929) 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, 923 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (24000).

2¹⁵³⁹²³ is an apocalyptic number.

153923 is a deficient number, since it is larger than the sum of its proper divisors (38077).

153923 is a wasteful number, since it uses less digits than its factorization.

153923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its digits is 810, while the sum is 23.

The square root of 153923 is about 392.3302180562. The cubic root of 153923 is about 53.5921491063.

The spelling of 153923 in words is "one hundred fifty-three thousand, nine hundred twenty-three".