233223655 has 16 divisors (see below), whose sum is σ = 330880320. Its totient is φ = 154409472.

The previous prime is 233223649. The next prime is 233223667. The reversal of 233223655 is 556322332.

It is not a de Polignac number, because 233223655 - 2³ = 233223647 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113874 + ... + 115903.

It is an arithmetic number, because the mean of its divisors is an integer number (20680020).

Almost surely, 2^233223655 is an apocalyptic number.

233223655 is a deficient number, since it is larger than the sum of its proper divisors (97656665).

233223655 is a wasteful number, since it uses less digits than its factorization.

233223655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229818.

The product of its digits is 32400, while the sum is 31.

The square root of 233223655 is about 15271.6618283669. The cubic root of 233223655 is about 615.5417747785.

Adding to 233223655 its reverse (556322332), we get a palindrome (789545987).

The spelling of 233223655 in words is "two hundred thirty-three million, two hundred twenty-three thousand, six hundred fifty-five".