233015140 has 24 divisors (see below), whose sum is σ = 492622200. Its totient is φ = 92579328.

The previous prime is 233015137. The next prime is 233015227. The reversal of 233015140 is 41510332.

It can be written as a sum of positive squares in 4 ways, for example, as 13264164 + 219750976 = 3642^2 + 14824^2 .

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, 36117 + ... + 42076.

It is an arithmetic number, because the mean of its divisors is an integer number (20525925).

Almost surely, 2^233015140 is an apocalyptic number.

233015140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233015140 is an abundant number, since it is smaller than the sum of its proper divisors (259607060).

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

233015140 is a wasteful number, since it uses less digits than its factorization.

233015140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78351 (or 78349 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 233015140 is about 15264.8334416069. The cubic root of 233015140 is about 615.3582771500.

Adding to 233015140 its reverse (41510332), we get a palindrome (274525472).

It can be divided in two parts, 23301 and 5140, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 233015140 in words is "two hundred thirty-three million, fifteen thousand, one hundred forty".