125923 has 4 divisors (see below), whose sum is σ = 143920. Its totient is φ = 107928.

The previous prime is 125921. The next prime is 125927. The reversal of 125923 is 329521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329521 = 23 ⋅14327.

It is a cyclic number.

It is not a de Polignac number, because 125923 - 2¹ = 125921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125894 and 125903.

It is not an unprimeable number, because it can be changed into a prime (125921) 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, 8988 + ... + 9001.

It is an arithmetic number, because the mean of its divisors is an integer number (35980).

2¹²⁵⁹²³ is an apocalyptic number.

125923 is a deficient number, since it is larger than the sum of its proper divisors (17997).

125923 is an equidigital number, since it uses as much as digits as its factorization.

125923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996.

The product of its digits is 540, while the sum is 22.

The square root of 125923 is about 354.8563089477. The cubic root of 125923 is about 50.1227649951.

The spelling of 125923 in words is "one hundred twenty-five thousand, nine hundred twenty-three".