223140432 has 40 divisors (see below), whose sum is σ = 578150496. Its totient is φ = 74160256.

The previous prime is 223140431. The next prime is 223140439. The reversal of 223140432 is 234041322.

It is a super-3 number, since 3×223140432³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223140399 and 223140408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223140431) by changing a digit.

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, 9958 + ... + 23354.

Almost surely, 2^223140432 is an apocalyptic number.

It is an amenable number.

223140432 is an abundant number, since it is smaller than the sum of its proper divisors (355010064).

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

223140432 is a wasteful number, since it uses less digits than its factorization.

223140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755 (or 13749 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223140432 is about 14937.8857941812. The cubic root of 223140432 is about 606.5399668323.

Adding to 223140432 its reverse (234041322), we get a palindrome (457181754).

The spelling of 223140432 in words is "two hundred twenty-three million, one hundred forty thousand, four hundred thirty-two".