233256555 has 48 divisors (see below), whose sum is σ = 476995584. Its totient is φ = 103187520.

The previous prime is 233256509. The next prime is 233256557. The reversal of 233256555 is 555652332.

233256555 is a `hidden beast` number, since 23 + 32 + 56 + 555 = 666.

It is not a de Polignac number, because 233256555 - 2¹⁹ = 232732267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233256557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2179 + ... + 21708.

It is an arithmetic number, because the mean of its divisors is an integer number (9937408).

Almost surely, 2^233256555 is an apocalyptic number.

233256555 is an abundant number, since it is smaller than the sum of its proper divisors (243739029).

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

233256555 is a wasteful number, since it uses less digits than its factorization.

233256555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936 (or 23933 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 233256555 is about 15272.7389488592. The cubic root of 233256555 is about 615.5707174861.

The spelling of 233256555 in words is "two hundred thirty-three million, two hundred fifty-six thousand, five hundred fifty-five".