923430 has 16 divisors (see below), whose sum is σ = 2216304. Its totient is φ = 246240.

The previous prime is 923411. The next prime is 923437. The reversal of 923430 is 34329.

923430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 923397 and 923406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923437) by changing a digit.

923430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15361 + ... + 15420.

It is an arithmetic number, because the mean of its divisors is an integer number (138519).

2⁹²³⁴³⁰ is an apocalyptic number.

923430 is an abundant number, since it is smaller than the sum of its proper divisors (1292874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923430 is a wasteful number, since it uses less digits than its factorization.

923430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30791.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 923430 is about 960.9526523196. The cubic root of 923430 is about 97.3796015508.

Adding to 923430 its reverse (34329), we get a palindrome (957759).

The spelling of 923430 in words is "nine hundred twenty-three thousand, four hundred thirty".