230401320 has 32 divisors (see below), whose sum is σ = 691204320. Its totient is φ = 61440320.

The previous prime is 230401279. The next prime is 230401321. The reversal of 230401320 is 23104032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230401320.

It is not an unprimeable number, because it can be changed into a prime (230401321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959886 + ... + 960125.

It is an arithmetic number, because the mean of its divisors is an integer number (21600135).

Almost surely, 2^230401320 is an apocalyptic number.

230401320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230401320 is an abundant number, since it is smaller than the sum of its proper divisors (460803000).

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

230401320 is a wasteful number, since it uses less digits than its factorization.

230401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920025 (or 1920021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230401320 is about 15178.9762500638. The cubic root of 230401320 is about 613.0487166631.

Adding to 230401320 its reverse (23104032), we get a palindrome (253505352).

The spelling of 230401320 in words is "two hundred thirty million, four hundred one thousand, three hundred twenty".