230331420 has 72 divisors (see below), whose sum is σ = 762194160. Its totient is φ = 55837440.

The previous prime is 230331389. The next prime is 230331421. The reversal of 230331420 is 24133032.

230331420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230331393 and 230331402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230331421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56185 + ... + 60144.

It is an arithmetic number, because the mean of its divisors is an integer number (10586030).

Almost surely, 2^230331420 is an apocalyptic number.

230331420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230331420 is an abundant number, since it is smaller than the sum of its proper divisors (531862740).

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

230331420 is a wasteful number, since it uses less digits than its factorization.

230331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116355 (or 116350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230331420 is about 15176.6735485745. The cubic root of 230331420 is about 612.9867140676.

Adding to 230331420 its reverse (24133032), we get a palindrome (254464452).

The spelling of 230331420 in words is "two hundred thirty million, three hundred thirty-one thousand, four hundred twenty".