939723 has 4 divisors (see below), whose sum is σ = 1252968. Its totient is φ = 626480.

The previous prime is 939713. The next prime is 939737. The reversal of 939723 is 327939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327939 = 3 ⋅109313.

It is a cyclic number.

It is not a de Polignac number, because 939723 - 2⁴ = 939707 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (939713) 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, 156618 + ... + 156623.

It is an arithmetic number, because the mean of its divisors is an integer number (313242).

2⁹³⁹⁷²³ is an apocalyptic number.

939723 is a deficient number, since it is larger than the sum of its proper divisors (313245).

939723 is a wasteful number, since it uses less digits than its factorization.

939723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313244.

The product of its digits is 10206, while the sum is 33.

The square root of 939723 is about 969.3931091152. The cubic root of 939723 is about 97.9489877506.

The spelling of 939723 in words is "nine hundred thirty-nine thousand, seven hundred twenty-three".