423555040320140 has 24 divisors (see below), whose sum is σ = 889481441747472. Its totient is φ = 169418995732800.

The previous prime is 423555040320127. The next prime is 423555040320169. The reversal of 423555040320140 is 41023040555324.

It is a super-2 number, since 2×423555040320140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423555040320094 and 423555040320103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187624634 + ... + 189868673.

It is an arithmetic number, because the mean of its divisors is an integer number (37061726739478).

Almost surely, 2^{423555040320140} is an apocalyptic number.

It is an amenable number.

423555040320140 is an abundant number, since it is smaller than the sum of its proper divisors (465926401427332).

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

423555040320140 is a wasteful number, since it uses less digits than its factorization.

423555040320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377549417 (or 377549415 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 423555040320140 its reverse (41023040555324), we get a palindrome (464578080875464).

The spelling of 423555040320140 in words is "four hundred twenty-three trillion, five hundred fifty-five billion, forty million, three hundred twenty thousand, one hundred forty".