23434100320 has 72 divisors (see below), whose sum is σ = 57206952432. Its totient is φ = 9071205120.

The previous prime is 23434100317. The next prime is 23434100359. The reversal of 23434100320 is 2300143432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23434100291 and 23434100300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77557 + ... + 229963.

It is an arithmetic number, because the mean of its divisors is an integer number (794541006).

Almost surely, 2^23434100320 is an apocalyptic number.

23434100320 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 23434100320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28603476216).

23434100320 is an abundant number, since it is smaller than the sum of its proper divisors (33772852112).

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

23434100320 is a wasteful number, since it uses less digits than its factorization.

23434100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152484 (or 152445 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23434100320 its reverse (2300143432), we get a palindrome (25734243752).

The spelling of 23434100320 in words is "twenty-three billion, four hundred thirty-four million, one hundred thousand, three hundred twenty".