230143040 has 28 divisors (see below), whose sum is σ = 548028876. Its totient is φ = 92057088.

The previous prime is 230143033. The next prime is 230143061. The reversal of 230143040 is 40341032.

230143040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 170668096 + 59474944 = 13064^2 + 7712^2 .

It is a super-4 number, since 4×230143040⁴ (a number of 35 digits) contains 4444 as substring.

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, 359279 + ... + 359918.

Almost surely, 2^230143040 is an apocalyptic number.

230143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230143040 is an abundant number, since it is smaller than the sum of its proper divisors (317885836).

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

230143040 is an equidigital number, since it uses as much as digits as its factorization.

230143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719214 (or 719204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230143040 is about 15170.4660442585. The cubic root of 230143040 is about 612.8195550345.

Adding to 230143040 its reverse (40341032), we get a palindrome (270484072).

The spelling of 230143040 in words is "two hundred thirty million, one hundred forty-three thousand, forty".