923423 has 4 divisors (see below), whose sum is σ = 977760. Its totient is φ = 869088.

The previous prime is 923411. The next prime is 923437. The reversal of 923423 is 324329.

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 923423 - 2⁴ = 923407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923453) 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, 27143 + ... + 27176.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

2⁹²³⁴²³ is an apocalyptic number.

923423 is a deficient number, since it is larger than the sum of its proper divisors (54337).

923423 is a wasteful number, since it uses less digits than its factorization.

923423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54336.

The product of its digits is 1296, while the sum is 23.

The square root of 923423 is about 960.9490100937. The cubic root of 923423 is about 97.3793554903.

It can be divided in two parts, 9 and 23423, that added together give a palindrome (23432).

The spelling of 923423 in words is "nine hundred twenty-three thousand, four hundred twenty-three".