123123333013229 has 2 divisors, whose sum is σ = 123123333013230. Its totient is φ = 123123333013228.

The previous prime is 123123333013159. The next prime is 123123333013237. The reversal of 123123333013229 is 922310333321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92349985812100 + 30773347201129 = 9609890^2 + 5547373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123123333013229 is a prime.

It is a super-2 number, since 2×123123333013229² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123123333013192 and 123123333013201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123123332013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561666506614 + 61561666506615.

It is an arithmetic number, because the mean of its divisors is an integer number (61561666506615).

Almost surely, 2^{123123333013229} is an apocalyptic number.

It is an amenable number.

123123333013229 is a deficient number, since it is larger than the sum of its proper divisors (1).

123123333013229 is an equidigital number, since it uses as much as digits as its factorization.

123123333013229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 38.

The spelling of 123123333013229 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred thirty-three million, thirteen thousand, two hundred twenty-nine".