230411720 has 96 divisors (see below), whose sum is σ = 657953280. Its totient is φ = 71809920.

The previous prime is 230411717. The next prime is 230411743. The reversal of 230411720 is 27114032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 230411692 and 230411701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16217 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (6853680).

Almost surely, 2^230411720 is an apocalyptic number.

230411720 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 230411720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328976640).

230411720 is an abundant number, since it is smaller than the sum of its proper divisors (427541560).

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

230411720 is a wasteful number, since it uses less digits than its factorization.

230411720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723 (or 10712 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 230411720 is about 15179.3188252965. The cubic root of 230411720 is about 613.0579405841.

Adding to 230411720 its reverse (27114032), we get a palindrome (257525752).

The spelling of 230411720 in words is "two hundred thirty million, four hundred eleven thousand, seven hundred twenty".