223032432 has 40 divisors (see below), whose sum is σ = 658477696. Its totient is φ = 63723456.

The previous prime is 223032413. The next prime is 223032457. The reversal of 223032432 is 234230322.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 223032399 and 223032408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331558 + ... + 332229.

Almost surely, 2^223032432 is an apocalyptic number.

It is an amenable number.

223032432 is an abundant number, since it is smaller than the sum of its proper divisors (435445264).

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

223032432 is a wasteful number, since it uses less digits than its factorization.

223032432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663805 (or 663799 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223032432 is about 14934.2703872670. The cubic root of 223032432 is about 606.4420958981.

Adding to 223032432 its reverse (234230322), we get a palindrome (457262754).

The spelling of 223032432 in words is "two hundred twenty-three million, thirty-two thousand, four hundred thirty-two".