344400111112003 has 4 divisors (see below), whose sum is σ = 355509792115648. Its totient is φ = 333290430108360.

The previous prime is 344400111111989. The next prime is 344400111112049. The reversal of 344400111112003 is 300211111004443.

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-344400111112003 is a prime.

It is a super-2 number, since 2×344400111112003² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344400111112103) 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, 5554840501776 + ... + 5554840501837.

It is an arithmetic number, because the mean of its divisors is an integer number (88877448028912).

Almost surely, 2^{344400111112003} is an apocalyptic number.

344400111112003 is a deficient number, since it is larger than the sum of its proper divisors (11109681003645).

344400111112003 is a wasteful number, since it uses less digits than its factorization.

344400111112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109681003644.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 344400111112003 its reverse (300211111004443), we get a palindrome (644611222116446).

The spelling of 344400111112003 in words is "three hundred forty-four trillion, four hundred billion, one hundred eleven million, one hundred twelve thousand, three".