423443034344 has 32 divisors (see below), whose sum is σ = 871319937600. Its totient is φ = 191321560320.

The previous prime is 423443034251. The next prime is 423443034359. The reversal of 423443034344 is 443430344324.

It is a junction number, because it is equal to n+sod(n) for n = 423443034298 and 423443034307.

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, 14392049 + ... + 14421440.

It is an arithmetic number, because the mean of its divisors is an integer number (27228748050).

Almost surely, 2^423443034344 is an apocalyptic number.

423443034344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423443034344 is an abundant number, since it is smaller than the sum of its proper divisors (447876903256).

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

423443034344 is a wasteful number, since it uses less digits than its factorization.

423443034344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28813673 (or 28813669 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 38.

Adding to 423443034344 its reverse (443430344324), we get a palindrome (866873378668).

The spelling of 423443034344 in words is "four hundred twenty-three billion, four hundred forty-three million, thirty-four thousand, three hundred forty-four".