233023220 has 24 divisors (see below), whose sum is σ = 515104800. Its totient is φ = 88303392.

The previous prime is 233023211. The next prime is 233023237. The reversal of 233023220 is 22320332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306230 + ... + 306989.

It is an arithmetic number, because the mean of its divisors is an integer number (21462700).

Almost surely, 2^233023220 is an apocalyptic number.

233023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233023220 is an abundant number, since it is smaller than the sum of its proper divisors (282081580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233023220 is a wasteful number, since it uses less digits than its factorization.

233023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613247 (or 613245 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 233023220 is about 15265.0980999141. The cubic root of 233023220 is about 615.3653897599.

Adding to 233023220 its reverse (22320332), we get a palindrome (255343552).

The spelling of 233023220 in words is "two hundred thirty-three million, twenty-three thousand, two hundred twenty".