423420320401120 has 192 divisors, whose sum is σ = 1147176940726656. Its totient is φ = 144672862371840.

The previous prime is 423420320401097. The next prime is 423420320401157. The reversal of 423420320401120 is 21104023024324.

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

It is a congruent number.

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, 426754242 + ... + 427745278.

It is an arithmetic number, because the mean of its divisors is an integer number (5974879899618).

Almost surely, 2^{423420320401120} is an apocalyptic number.

423420320401120 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 423420320401120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573588470363328).

423420320401120 is an abundant number, since it is smaller than the sum of its proper divisors (723756620325536).

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

423420320401120 is a wasteful number, since it uses less digits than its factorization.

423420320401120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992373 (or 992365 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 423420320401120 its reverse (21104023024324), we get a palindrome (444524343425444).

The spelling of 423420320401120 in words is "four hundred twenty-three trillion, four hundred twenty billion, three hundred twenty million, four hundred one thousand, one hundred twenty".