423611232 has 192 divisors, whose sum is σ = 1309271040. Its totient is φ = 118540800.

The previous prime is 423611203. The next prime is 423611233. The reversal of 423611232 is 232116324.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423611233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862507 + ... + 862997.

It is an arithmetic number, because the mean of its divisors is an integer number (6819120).

Almost surely, 2^423611232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423611232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654635520).

423611232 is an abundant number, since it is smaller than the sum of its proper divisors (885659808).

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

423611232 is a wasteful number, since it uses less digits than its factorization.

423611232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 569 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 423611232 is about 20581.8179955027. The cubic root of 423611232 is about 751.0274699867.

Adding to 423611232 its reverse (232116324), we get a palindrome (655727556).

The spelling of 423611232 in words is "four hundred twenty-three million, six hundred eleven thousand, two hundred thirty-two".