423305124 has 144 divisors (see below), whose sum is σ = 1153087488. Its totient is φ = 119784000.

The previous prime is 423305101. The next prime is 423305143. The reversal of 423305124 is 421503324.

It is a junction number, because it is equal to n+sod(n) for n = 423305094 and 423305103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5962009 + ... + 5962079.

It is an arithmetic number, because the mean of its divisors is an integer number (8007552).

Almost surely, 2^423305124 is an apocalyptic number.

423305124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423305124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576543744).

423305124 is an abundant number, since it is smaller than the sum of its proper divisors (729782364).

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

423305124 is a wasteful number, since it uses less digits than its factorization.

423305124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423305124 is about 20574.3802822831. The cubic root of 423305124 is about 750.8465250565.

Adding to 423305124 its reverse (421503324), we get a palindrome (844808448).

The spelling of 423305124 in words is "four hundred twenty-three million, three hundred five thousand, one hundred twenty-four".