943923 has 4 divisors (see below), whose sum is σ = 1258568. Its totient is φ = 629280.

The previous prime is 943913. The next prime is 943931. The reversal of 943923 is 329349.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 943923 - 2¹⁰ = 942899 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (943903) 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, 157318 + ... + 157323.

It is an arithmetic number, because the mean of its divisors is an integer number (314642).

2⁹⁴³⁹²³ is an apocalyptic number.

943923 is a deficient number, since it is larger than the sum of its proper divisors (314645).

943923 is a wasteful number, since it uses less digits than its factorization.

943923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314644.

The product of its digits is 5832, while the sum is 30.

The square root of 943923 is about 971.5569978133. The cubic root of 943923 is about 98.0946953627.

It can be divided in two parts, 94392 and 3, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 943923 in words is "nine hundred forty-three thousand, nine hundred twenty-three".