233223131 has 8 divisors (see below), whose sum is σ = 235172160. Its totient is φ = 231282688.

The previous prime is 233223113. The next prime is 233223139. The reversal of 233223131 is 131322332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233223131 - 2¹⁴ = 233206747 is a prime.

It is a super-2 number, since 2×233223131² = 108786057666886322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59525 + ... + 63321.

It is an arithmetic number, because the mean of its divisors is an integer number (29396520).

Almost surely, 2^233223131 is an apocalyptic number.

233223131 is a deficient number, since it is larger than the sum of its proper divisors (1949029).

233223131 is a wasteful number, since it uses less digits than its factorization.

233223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293.

The product of its digits is 648, while the sum is 20.

The square root of 233223131 is about 15271.6446723986. The cubic root of 233223131 is about 615.5413137844.

Adding to 233223131 its reverse (131322332), we get a palindrome (364545463).

The spelling of 233223131 in words is "two hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-one".