423502351112240 has 160 divisors (see below), whose sum is σ = 1067160245795520. Its totient is φ = 155754339028992.

The previous prime is 423502351112189. The next prime is 423502351112279. The reversal of 423502351112240 is 42211153205324.

It is a self number, because there is not a number n which added to its sum of digits gives 423502351112240.

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, 12843314 + ... + 31811246.

It is an arithmetic number, because the mean of its divisors is an integer number (6669751536222).

Almost surely, 2^{423502351112240} is an apocalyptic number.

423502351112240 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 423502351112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533580122897760).

423502351112240 is an abundant number, since it is smaller than the sum of its proper divisors (643657894683280).

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

423502351112240 is a wasteful number, since it uses less digits than its factorization.

423502351112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18968399 (or 18968393 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 423502351112240 in words is "four hundred twenty-three trillion, five hundred two billion, three hundred fifty-one million, one hundred twelve thousand, two hundred forty".