344145300403 has 4 divisors (see below), whose sum is σ = 344273571928. Its totient is φ = 344017028880.

The previous prime is 344145300377. The next prime is 344145300413. The reversal of 344145300403 is 304003541443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344145300403 - 2⁹ = 344145299891 is a prime.

It is a super-2 number, since 2×344145300403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344145300413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64131738 + ... + 64137103.

It is an arithmetic number, because the mean of its divisors is an integer number (86068392982).

Almost surely, 2^344145300403 is an apocalyptic number.

344145300403 is a deficient number, since it is larger than the sum of its proper divisors (128271525).

344145300403 is a wasteful number, since it uses less digits than its factorization.

344145300403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128271524.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 344145300403 its reverse (304003541443), we get a palindrome (648148841846).

The spelling of 344145300403 in words is "three hundred forty-four billion, one hundred forty-five million, three hundred thousand, four hundred three".