424231323320 has 128 divisors (see below), whose sum is σ = 1095409146240. Its totient is φ = 144847872000.

The previous prime is 424231323311. The next prime is 424231323377. The reversal of 424231323320 is 23323132424.

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, 141361820 + ... + 141364820.

It is an arithmetic number, because the mean of its divisors is an integer number (8557883955).

Almost surely, 2^424231323320 is an apocalyptic number.

424231323320 is a gapful number since it is divisible by the number (40) 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 424231323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547704573120).

424231323320 is an abundant number, since it is smaller than the sum of its proper divisors (671177822920).

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

424231323320 is a wasteful number, since it uses less digits than its factorization.

424231323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 424231323320 its reverse (23323132424), we get a palindrome (447554455744).

The spelling of 424231323320 in words is "four hundred twenty-four billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty".