938423 has 4 divisors (see below), whose sum is σ = 979248. Its totient is φ = 897600.

The previous prime is 938393. The next prime is 938437. The reversal of 938423 is 324839.

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

It is a cyclic number.

It is not a de Polignac number, because 938423 - 2⁶ = 938359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938453) 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, 20378 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (244812).

2⁹³⁸⁴²³ is an apocalyptic number.

938423 is a deficient number, since it is larger than the sum of its proper divisors (40825).

938423 is a wasteful number, since it uses less digits than its factorization.

938423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40824.

The product of its digits is 5184, while the sum is 29.

The square root of 938423 is about 968.7223544442. The cubic root of 938423 is about 97.9037998082.

The spelling of 938423 in words is "nine hundred thirty-eight thousand, four hundred twenty-three".