320012430 has 16 divisors (see below), whose sum is σ = 768029904. Its totient is φ = 85336640.

The previous prime is 320012417. The next prime is 320012431. The reversal of 320012430 is 34210023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012431) 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, 5333511 + ... + 5333570.

It is an arithmetic number, because the mean of its divisors is an integer number (48001869).

Almost surely, 2^320012430 is an apocalyptic number.

320012430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320012430 is an abundant number, since it is smaller than the sum of its proper divisors (448017474).

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

320012430 is a wasteful number, since it uses less digits than its factorization.

320012430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10667091.

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

The square root of 320012430 is about 17888.8912456865. The cubic root of 320012430 is about 683.9992348064. Note that the first 3 decimals are identical.

Adding to 320012430 its reverse (34210023), we get a palindrome (354222453).

The spelling of 320012430 in words is "three hundred twenty million, twelve thousand, four hundred thirty".