344423012215 has 16 divisors (see below), whose sum is σ = 419666750496. Its totient is φ = 271311552000.

The previous prime is 344423012177. The next prime is 344423012293. The reversal of 344423012215 is 512210324443.

It is a de Polignac number, because none of the positive numbers 2^k-344423012215 is a prime.

It is a super-2 number, since 2×344423012215² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 565681 + ... + 1004410.

It is an arithmetic number, because the mean of its divisors is an integer number (26229171906).

Almost surely, 2^344423012215 is an apocalyptic number.

344423012215 is a deficient number, since it is larger than the sum of its proper divisors (75243738281).

344423012215 is a wasteful number, since it uses less digits than its factorization.

344423012215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570770.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 344423012215 its reverse (512210324443), we get a palindrome (856633336658).

The spelling of 344423012215 in words is "three hundred forty-four billion, four hundred twenty-three million, twelve thousand, two hundred fifteen".