344324423442 has 16 divisors (see below), whose sum is σ = 688657342752. Its totient is φ = 114773391840.

The previous prime is 344324423441. The next prime is 344324423447. The reversal of 344324423442 is 244324423443.

It is a self number, because there is not a number n which added to its sum of digits gives 344324423442.

It is not an unprimeable number, because it can be changed into a prime (344324423441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 252918 + ... + 867534.

It is an arithmetic number, because the mean of its divisors is an integer number (43041083922).

Almost surely, 2^344324423442 is an apocalyptic number.

344324423442 is an abundant number, since it is smaller than the sum of its proper divisors (344332919310).

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

344324423442 is a wasteful number, since it uses less digits than its factorization.

344324423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707993.

The product of its digits is 884736, while the sum is 39.

Adding to 344324423442 its reverse (244324423443), we get a palindrome (588648846885).

Subtracting from 344324423442 its reverse (244324423443), we obtain a palindrome (99999999999).

The spelling of 344324423442 in words is "three hundred forty-four billion, three hundred twenty-four million, four hundred twenty-three thousand, four hundred forty-two".