232223133 has 4 divisors (see below), whose sum is σ = 309630848. Its totient is φ = 154815420.

The previous prime is 232223129. The next prime is 232223143. The reversal of 232223133 is 331322232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232223133 - 2² = 232223129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232223143) 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, 38703853 + ... + 38703858.

It is an arithmetic number, because the mean of its divisors is an integer number (77407712).

Almost surely, 2^232223133 is an apocalyptic number.

It is an amenable number.

232223133 is a deficient number, since it is larger than the sum of its proper divisors (77407715).

232223133 is an equidigital number, since it uses as much as digits as its factorization.

232223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77407714.

The product of its digits is 1296, while the sum is 21.

The square root of 232223133 is about 15238.8691509574. The cubic root of 232223133 is about 614.6602949100.

Adding to 232223133 its reverse (331322232), we get a palindrome (563545365).

Subtracting 232223133 from its reverse (331322232), we obtain a palindrome (99099099).

The spelling of 232223133 in words is "two hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty-three".