344123240513 has 16 divisors (see below), whose sum is σ = 372715691712. Its totient is φ = 315834552000.

The previous prime is 344123240501. The next prime is 344123240533. The reversal of 344123240513 is 315042321443.

It is a cyclic number.

It is not a de Polignac number, because 344123240513 - 2²⁶ = 344056131649 is a prime.

It is a super-2 number, since 2×344123240513² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344123240513.

It is not an unprimeable number, because it can be changed into a prime (344123240533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15262058 + ... + 15284588.

It is an arithmetic number, because the mean of its divisors is an integer number (23294730732).

Almost surely, 2^344123240513 is an apocalyptic number.

It is an amenable number.

344123240513 is a deficient number, since it is larger than the sum of its proper divisors (28592451199).

344123240513 is a wasteful number, since it uses less digits than its factorization.

344123240513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29216.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 344123240513 its reverse (315042321443), we get a palindrome (659165561956).

The spelling of 344123240513 in words is "three hundred forty-four billion, one hundred twenty-three million, two hundred forty thousand, five hundred thirteen".