233272280172 has 24 divisors (see below), whose sum is σ = 544387359600. Its totient is φ = 77745230656.

The previous prime is 233272280147. The next prime is 233272280221. The reversal of 233272280172 is 271082272332.

It is a self number, because there is not a number n which added to its sum of digits gives 233272280172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444647 + ... + 1597982.

It is an arithmetic number, because the mean of its divisors is an integer number (22682806650).

Almost surely, 2^233272280172 is an apocalyptic number.

It is an amenable number.

233272280172 is an abundant number, since it is smaller than the sum of its proper divisors (311115079428).

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

233272280172 is a wasteful number, since it uses less digits than its factorization.

233272280172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049025 (or 3049023 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 233272280172 in words is "two hundred thirty-three billion, two hundred seventy-two million, two hundred eighty thousand, one hundred seventy-two".