423140220200440 has 64 divisors (see below), whose sum is σ = 1014597086837760. Its totient is φ = 158452507973760.

The previous prime is 423140220200419. The next prime is 423140220200441. The reversal of 423140220200440 is 44002022041324.

It is a junction number, because it is equal to n+sod(n) for n = 423140220200399 and 423140220200408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423140220200441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4892882526 + ... + 4892969005.

It is an arithmetic number, because the mean of its divisors is an integer number (15853079481840).

Almost surely, 2^{423140220200440} is an apocalyptic number.

423140220200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423140220200440 is an abundant number, since it is smaller than the sum of its proper divisors (591456866637320).

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

423140220200440 is a wasteful number, since it uses less digits than its factorization.

423140220200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785851612 (or 9785851608 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 423140220200440 its reverse (44002022041324), we get a palindrome (467142242241764).

The spelling of 423140220200440 in words is "four hundred twenty-three trillion, one hundred forty billion, two hundred twenty million, two hundred thousand, four hundred forty".