125723 has 8 divisors (see below), whose sum is σ = 142800. Its totient is φ = 109728.

The previous prime is 125717. The next prime is 125731. The reversal of 125723 is 327521.

125723 is nontrivially palindromic in base 3.

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 125723 - 2⁴ = 125707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125695 and 125704.

It is not an unprimeable number, because it can be changed into a prime (125743) 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, 8 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (17850).

2¹²⁵⁷²³ is an apocalyptic number.

125723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125723 is a deficient number, since it is larger than the sum of its proper divisors (17077).

125723 is a wasteful number, since it uses less digits than its factorization.

125723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 420, while the sum is 20.

The square root of 125723 is about 354.5743927584. The cubic root of 125723 is about 50.0962147357.

It can be divided in two parts, 125 and 723, that added together give a palindrome (848).

The spelling of 125723 in words is "one hundred twenty-five thousand, seven hundred twenty-three".