16122311123 has 2 divisors, whose sum is σ = 16122311124. Its totient is φ = 16122311122.

The previous prime is 16122311113. The next prime is 16122311189. The reversal of 16122311123 is 32111322161.

It is a weak prime.

It is an emirp because it is prime and its reverse (32111322161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16122311123 - 2¹² = 16122307027 is a prime.

It is a super-2 number, since 2×16122311123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16122311113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061155561 + 8061155562.

It is an arithmetic number, because the mean of its divisors is an integer number (8061155562).

Almost surely, 2^16122311123 is an apocalyptic number.

16122311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16122311123 is an equidigital number, since it uses as much as digits as its factorization.

16122311123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

Adding to 16122311123 its reverse (32111322161), we get a palindrome (48233633284).

The spelling of 16122311123 in words is "sixteen billion, one hundred twenty-two million, three hundred eleven thousand, one hundred twenty-three".