344642103523 has 4 divisors (see below), whose sum is σ = 344648069640. Its totient is φ = 344636137408.

The previous prime is 344642103473. The next prime is 344642103527. The reversal of 344642103523 is 325301246443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344642103523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344642103527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2895553 + ... + 3012226.

It is an arithmetic number, because the mean of its divisors is an integer number (86162017410).

Almost surely, 2^344642103523 is an apocalyptic number.

344642103523 is a deficient number, since it is larger than the sum of its proper divisors (5966117).

344642103523 is an equidigital number, since it uses as much as digits as its factorization.

344642103523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966116.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 344642103523 its reverse (325301246443), we get a palindrome (669943349966).

The spelling of 344642103523 in words is "three hundred forty-four billion, six hundred forty-two million, one hundred three thousand, five hundred twenty-three".