233021223 has 12 divisors (see below), whose sum is σ = 336810240. Its totient is φ = 155244096.

The previous prime is 233021207. The next prime is 233021273. The reversal of 233021223 is 322120332.

It is a happy number.

It is not a de Polignac number, because 233021223 - 2⁴ = 233021207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233021196 and 233021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233021273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7183 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (28067520).

Almost surely, 2^233021223 is an apocalyptic number.

233021223 is a deficient number, since it is larger than the sum of its proper divisors (103789017).

233021223 is a wasteful number, since it uses less digits than its factorization.

233021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17235 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 233021223 is about 15265.0326891232. The cubic root of 233021223 is about 615.3636318690.

Adding to 233021223 its reverse (322120332), we get a palindrome (555141555).

The spelling of 233021223 in words is "two hundred thirty-three million, twenty-one thousand, two hundred twenty-three".