233577140 has 12 divisors (see below), whose sum is σ = 490512036. Its totient is φ = 93430848.

The previous prime is 233577137. The next prime is 233577173. The reversal of 233577140 is 41775332.

It can be written as a sum of positive squares in 2 ways, for example, as 181333156 + 52243984 = 13466^2 + 7228^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233577097 and 233577106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5839409 + ... + 5839448.

It is an arithmetic number, because the mean of its divisors is an integer number (40876003).

Almost surely, 2^233577140 is an apocalyptic number.

233577140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233577140 is an abundant number, since it is smaller than the sum of its proper divisors (256934896).

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

233577140 is a wasteful number, since it uses less digits than its factorization.

233577140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678866 (or 11678864 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 233577140 is about 15283.2306794081. The cubic root of 233577140 is about 615.8525993807.

The spelling of 233577140 in words is "two hundred thirty-three million, five hundred seventy-seven thousand, one hundred forty".