234021404320 has 384 divisors, whose sum is σ = 664758420480. Its totient is φ = 76879380480.

The previous prime is 234021404317. The next prime is 234021404359. The reversal of 234021404320 is 23404120432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75905499 + ... + 75908581.

It is an arithmetic number, because the mean of its divisors is an integer number (1731141720).

Almost surely, 2^234021404320 is an apocalyptic number.

234021404320 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 234021404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332379210240).

234021404320 is an abundant number, since it is smaller than the sum of its proper divisors (430737016160).

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

234021404320 is a wasteful number, since it uses less digits than its factorization.

234021404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 234021404320 its reverse (23404120432), we get a palindrome (257425524752).

The spelling of 234021404320 in words is "two hundred thirty-four billion, twenty-one million, four hundred four thousand, three hundred twenty".