423212013131320 has 64 divisors (see below), whose sum is σ = 1088332613683200. Its totient is φ = 145091508132480.

The previous prime is 423212013131317. The next prime is 423212013131329. The reversal of 423212013131320 is 23131310212324.

It is a super-2 number, since 2×423212013131320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423212013131329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46625986 + ... + 54958225.

It is an arithmetic number, because the mean of its divisors is an integer number (17005197088800).

Almost surely, 2^{423212013131320} is an apocalyptic number.

423212013131320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423212013131320 is an abundant number, since it is smaller than the sum of its proper divisors (665120600551880).

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

423212013131320 is a wasteful number, since it uses less digits than its factorization.

423212013131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101599108 (or 101599104 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 423212013131320 its reverse (23131310212324), we get a palindrome (446343323343644).

The spelling of 423212013131320 in words is "four hundred twenty-three trillion, two hundred twelve billion, thirteen million, one hundred thirty-one thousand, three hundred twenty".