123364505029 has 2 divisors, whose sum is σ = 123364505030. Its totient is φ = 123364505028.

The previous prime is 123364505009. The next prime is 123364505107. The reversal of 123364505029 is 920505463321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122096432929 + 1268072100 = 349423^2 + 35610^2 .

It is a cyclic number.

It is not a de Polignac number, because 123364505029 - 2⁵ = 123364504997 is a prime.

It is a super-2 number, since 2×123364505029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123364504982 and 123364505000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123364505009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61682252514 + 61682252515.

It is an arithmetic number, because the mean of its divisors is an integer number (61682252515).

Almost surely, 2^123364505029 is an apocalyptic number.

It is an amenable number.

123364505029 is a deficient number, since it is larger than the sum of its proper divisors (1).

123364505029 is an equidigital number, since it uses as much as digits as its factorization.

123364505029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 123364505029 in words is "one hundred twenty-three billion, three hundred sixty-four million, five hundred five thousand, twenty-nine".