423883632 has 80 divisors (see below), whose sum is σ = 1129213440. Its totient is φ = 136953600.

The previous prime is 423883631. The next prime is 423883639. The reversal of 423883632 is 236388324.

It is a super-2 number, since 2×423883632² = 359354666955022848, which contains 22 as substring.

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 (423883631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206869 + ... + 208907.

It is an arithmetic number, because the mean of its divisors is an integer number (14115168).

Almost surely, 2^423883632 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 423883632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564606720).

423883632 is an abundant number, since it is smaller than the sum of its proper divisors (705329808).

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

423883632 is a wasteful number, since it uses less digits than its factorization.

423883632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2176 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 423883632 is about 20588.4344232387. The cubic root of 423883632 is about 751.1884163386.

The spelling of 423883632 in words is "four hundred twenty-three million, eight hundred eighty-three thousand, six hundred thirty-two".