239430231420 has 96 divisors (see below), whose sum is σ = 711027072000. Its totient is φ = 59991819264.

The previous prime is 239430231407. The next prime is 239430231479. The reversal of 239430231420 is 24132034932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415041 + ... + 806919.

It is an arithmetic number, because the mean of its divisors is an integer number (7406532000).

Almost surely, 2^239430231420 is an apocalyptic number.

239430231420 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 239430231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355513536000).

239430231420 is an abundant number, since it is smaller than the sum of its proper divisors (471596840580).

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

239430231420 is a wasteful number, since it uses less digits than its factorization.

239430231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392507 (or 392505 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 239430231420 in words is "two hundred thirty-nine billion, four hundred thirty million, two hundred thirty-one thousand, four hundred twenty".