344311012111123 has 2 divisors, whose sum is σ = 344311012111124. Its totient is φ = 344311012111122.

The previous prime is 344311012111111. The next prime is 344311012111151. The reversal of 344311012111123 is 321111210113443.

It is an a-pointer prime, because the next prime (344311012111151) can be obtained adding 344311012111123 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344311012111123 - 2⁵ = 344311012111091 is a prime.

It is a super-2 number, since 2×344311012111123² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344311012111091 and 344311012111100.

It is not a weakly prime, because it can be changed into another prime (344311012111153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172155506055561 + 172155506055562.

It is an arithmetic number, because the mean of its divisors is an integer number (172155506055562).

Almost surely, 2^{344311012111123} is an apocalyptic number.

344311012111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

344311012111123 is an equidigital number, since it uses as much as digits as its factorization.

344311012111123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 344311012111123 its reverse (321111210113443), we get a palindrome (665422222224566).

The spelling of 344311012111123 in words is "three hundred forty-four trillion, three hundred eleven billion, twelve million, one hundred eleven thousand, one hundred twenty-three".