403232112 has 120 divisors (see below), whose sum is σ = 1205208576. Its totient is φ = 125411328.

The previous prime is 403232111. The next prime is 403232119. The reversal of 403232112 is 211232304.

It is a super-2 number, since 2×403232112² = 325192272295961088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310248 + ... + 311544.

Almost surely, 2^403232112 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 403232112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602604288).

403232112 is an abundant number, since it is smaller than the sum of its proper divisors (801976464).

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

403232112 is a wasteful number, since it uses less digits than its factorization.

403232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 403232112 is about 20080.6402288373. The cubic root of 403232112 is about 738.7855121342.

Adding to 403232112 its reverse (211232304), we get a palindrome (614464416).

The spelling of 403232112 in words is "four hundred three million, two hundred thirty-two thousand, one hundred twelve".