230333140 has 48 divisors (see below), whose sum is σ = 500346000. Its totient is φ = 88998912.

The previous prime is 230333113. The next prime is 230333183. The reversal of 230333140 is 41333032.

It can be written as a sum of positive squares in 8 ways, for example, as 5513104 + 224820036 = 2348^2 + 14994^2 .

It is a congruent 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, 109216 + ... + 111304.

It is an arithmetic number, because the mean of its divisors is an integer number (10423875).

Almost surely, 2^230333140 is an apocalyptic number.

230333140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230333140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250173000).

230333140 is an abundant number, since it is smaller than the sum of its proper divisors (270012860).

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

230333140 is a wasteful number, since it uses less digits than its factorization.

230333140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230333140 is about 15176.7302143775. The cubic root of 230333140 is about 612.9882398900.

Adding to 230333140 its reverse (41333032), we get a palindrome (271666172).

The spelling of 230333140 in words is "two hundred thirty million, three hundred thirty-three thousand, one hundred forty".