233815520680 has 96 divisors (see below), whose sum is σ = 617591363400. Its totient is φ = 79429787136.

The previous prime is 233815520663. The next prime is 233815520713. The reversal of 233815520680 is 86025518332.

It can be written as a sum of positive squares in 4 ways, for example, as 230336644356 + 3478876324 = 479934^2 + 58982^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333579 + ... + 760858.

Almost surely, 2^233815520680 is an apocalyptic number.

233815520680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233815520680 is an abundant number, since it is smaller than the sum of its proper divisors (383775842720).

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

233815520680 is a wasteful number, since it uses less digits than its factorization.

233815520680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094571 (or 1094560 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 233815520680 in words is "two hundred thirty-three billion, eight hundred fifteen million, five hundred twenty thousand, six hundred eighty".