423788232 has 128 divisors (see below), whose sum is σ = 1260748800. Its totient is φ = 116183808.

The previous prime is 423788203. The next prime is 423788243. The reversal of 423788232 is 232887324.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490633 + ... + 491495.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^423788232 is an apocalyptic number.

423788232 is a gapful number since it is divisible by the number (42) 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 423788232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630374400).

423788232 is an abundant number, since it is smaller than the sum of its proper divisors (836960568).

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

423788232 is a wasteful number, since it uses less digits than its factorization.

423788232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 423788232 is about 20586.1174581318. The cubic root of 423788232 is about 751.1320575124.

The spelling of 423788232 in words is "four hundred twenty-three million, seven hundred eighty-eight thousand, two hundred thirty-two".