423224121320 has 128 divisors (see below), whose sum is σ = 1278551312640. Its totient is φ = 121766768640.

The previous prime is 423224121311. The next prime is 423224121371. The reversal of 423224121320 is 23121422324.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 423224121320.

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, 5244977 + ... + 5325056.

It is an arithmetic number, because the mean of its divisors is an integer number (9988682130).

Almost surely, 2^423224121320 is an apocalyptic number.

423224121320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423224121320 is an abundant number, since it is smaller than the sum of its proper divisors (855327191320).

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

423224121320 is a wasteful number, since it uses less digits than its factorization.

423224121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570075 (or 10570071 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 423224121320 its reverse (23121422324), we get a palindrome (446345543644).

The spelling of 423224121320 in words is "four hundred twenty-three billion, two hundred twenty-four million, one hundred twenty-one thousand, three hundred twenty".