223132443 has 4 divisors (see below), whose sum is σ = 297509928. Its totient is φ = 148754960.

The previous prime is 223132433. The next prime is 223132471. The reversal of 223132443 is 344231322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223132443 - 2⁸ = 223132187 is a prime.

It is a super-3 number, since 3×223132443³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223132433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37188738 + ... + 37188743.

It is an arithmetic number, because the mean of its divisors is an integer number (74377482).

Almost surely, 2^223132443 is an apocalyptic number.

223132443 is a deficient number, since it is larger than the sum of its proper divisors (74377485).

223132443 is an equidigital number, since it uses as much as digits as its factorization.

223132443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74377484.

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

The square root of 223132443 is about 14937.6183844681. The cubic root of 223132443 is about 606.5327281836.

Adding to 223132443 its reverse (344231322), we get a palindrome (567363765).

The spelling of 223132443 in words is "two hundred twenty-three million, one hundred thirty-two thousand, four hundred forty-three".