423263232 has 242 divisors, whose sum is σ = 1450471448. Its totient is φ = 120932352.

The previous prime is 423263177. The next prime is 423263237. The reversal of 423263232 is 232362324.

423263232 is a `hidden beast` number, since 4 + 23 + 2 + 632 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

Its product of digits (10368) is a multiple of the sum of its prime divisors (12).

It is a nialpdrome in base 6 and base 12.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 423263196 and 423263205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423263237) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 60466173 + ... + 60466179.

Almost surely, 2^423263232 is an apocalyptic number.

423263232 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 423263232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725235724).

423263232 is an abundant number, since it is smaller than the sum of its proper divisors (1027208216).

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

423263232 is an frugal number, since it uses more digits than its factorization.

423263232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 12 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 423263232 is about 20573.3621948383. The cubic root of 423263232 is about 750.8217552955.

The spelling of 423263232 in words is "four hundred twenty-three million, two hundred sixty-three thousand, two hundred thirty-two".