233122431220 has 24 divisors (see below), whose sum is σ = 559493835264. Its totient is φ = 79927690656.

The previous prime is 233122431203. The next prime is 233122431239. The reversal of 233122431220 is 22134221332.

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, 832579972 + ... + 832580251.

It is an arithmetic number, because the mean of its divisors is an integer number (23312243136).

Almost surely, 2^233122431220 is an apocalyptic number.

233122431220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233122431220 is an abundant number, since it is smaller than the sum of its proper divisors (326371404044).

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

233122431220 is a wasteful number, since it uses less digits than its factorization.

233122431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665160239 (or 1665160237 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 233122431220 its reverse (22134221332), we get a palindrome (255256652552).

The spelling of 233122431220 in words is "two hundred thirty-three billion, one hundred twenty-two million, four hundred thirty-one thousand, two hundred twenty".