223143432 has 16 divisors (see below), whose sum is σ = 557858640. Its totient is φ = 74381136.

The previous prime is 223143419. The next prime is 223143449. The reversal of 223143432 is 234341322.

It is a super-3 number, since 3×223143432³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9297643 = 223143432 / (2 + 2 + 3 + 1 + 4 + 3 + 4 + 3 + 2).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4648798 + ... + 4648845.

It is an arithmetic number, because the mean of its divisors is an integer number (34866165).

Almost surely, 2^223143432 is an apocalyptic number.

It is an amenable number.

223143432 is an abundant number, since it is smaller than the sum of its proper divisors (334715208).

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

223143432 is a wasteful number, since it uses less digits than its factorization.

223143432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297652 (or 9297648 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 223143432 is about 14937.9862096603. The cubic root of 223143432 is about 606.5426850185.

Adding to 223143432 its reverse (234341322), we get a palindrome (457484754).

The spelling of 223143432 in words is "two hundred twenty-three million, one hundred forty-three thousand, four hundred thirty-two".