423043113320 has 128 divisors (see below), whose sum is σ = 1003371494400. Its totient is φ = 160210676736.

The previous prime is 423043113319. The next prime is 423043113331. The reversal of 423043113320 is 23311340324.

It is a super-2 number, since 2×423043113320² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423043113320.

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, 149114942 + ... + 149117778.

It is an arithmetic number, because the mean of its divisors is an integer number (7838839800).

Almost surely, 2^423043113320 is an apocalyptic number.

423043113320 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 423043113320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501685747200).

423043113320 is an abundant number, since it is smaller than the sum of its proper divisors (580328381080).

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

423043113320 is a wasteful number, since it uses less digits than its factorization.

423043113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 423043113320 its reverse (23311340324), we get a palindrome (446354453644).

The spelling of 423043113320 in words is "four hundred twenty-three billion, forty-three million, one hundred thirteen thousand, three hundred twenty".