123333216113 has 2 divisors, whose sum is σ = 123333216114. Its totient is φ = 123333216112.

The previous prime is 123333216091. The next prime is 123333216137. The reversal of 123333216113 is 311612333321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115730596864 + 7602619249 = 340192^2 + 87193^2 .

It is an emirp because it is prime and its reverse (311612333321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123333216113 - 2¹² = 123333212017 is a prime.

It is a super-2 number, since 2×123333216113² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123333216163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61666608056 + 61666608057.

It is an arithmetic number, because the mean of its divisors is an integer number (61666608057).

Almost surely, 2^123333216113 is an apocalyptic number.

It is an amenable number.

123333216113 is a deficient number, since it is larger than the sum of its proper divisors (1).

123333216113 is an equidigital number, since it uses as much as digits as its factorization.

123333216113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

Adding to 123333216113 its reverse (311612333321), we get a palindrome (434945549434).

The spelling of 123333216113 in words is "one hundred twenty-three billion, three hundred thirty-three million, two hundred sixteen thousand, one hundred thirteen".