233134890 has 32 divisors (see below), whose sum is σ = 567409536. Its totient is φ = 61293120.

The previous prime is 233134873. The next prime is 233134903. The reversal of 233134890 is 98431332.

It is a happy number.

233134890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52597 + ... + 56856.

It is an arithmetic number, because the mean of its divisors is an integer number (17731548).

Almost surely, 2^233134890 is an apocalyptic number.

233134890 is an abundant number, since it is smaller than the sum of its proper divisors (334274646).

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

233134890 is a wasteful number, since it uses less digits than its factorization.

233134890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109534.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 233134890 is about 15268.7553520253. The cubic root of 233134890 is about 615.4636730683.

It can be divided in two parts, 23313 and 4890, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 233134890 in words is "two hundred thirty-three million, one hundred thirty-four thousand, eight hundred ninety".