423420313512140 has 192 divisors, whose sum is σ = 1077367339496448. Its totient is φ = 136457782272000.

The previous prime is 423420313512139. The next prime is 423420313512151. The reversal of 423420313512140 is 41215313024324.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 423420313512140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5950138160 + ... + 5950209320.

It is an arithmetic number, because the mean of its divisors is an integer number (5611288226544).

Almost surely, 2^{423420313512140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423420313512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538683669748224).

423420313512140 is an abundant number, since it is smaller than the sum of its proper divisors (653947025984308).

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

423420313512140 is a wasteful number, since it uses less digits than its factorization.

423420313512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74368 (or 74366 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 423420313512140 its reverse (41215313024324), we get a palindrome (464635626536464).

The spelling of 423420313512140 in words is "four hundred twenty-three trillion, four hundred twenty billion, three hundred thirteen million, five hundred twelve thousand, one hundred forty".