123030142302013 has 2 divisors, whose sum is σ = 123030142302014. Its totient is φ = 123030142302012.

The previous prime is 123030142301999. The next prime is 123030142302049. The reversal of 123030142302013 is 310203241030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90594360863449 + 32435781438564 = 9518107^2 + 5695242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123030142302013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030142305013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515071151006 + 61515071151007.

It is an arithmetic number, because the mean of its divisors is an integer number (61515071151007).

Almost surely, 2^{123030142302013} is an apocalyptic number.

It is an amenable number.

123030142302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030142302013 is an equidigital number, since it uses as much as digits as its factorization.

123030142302013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123030142302013 its reverse (310203241030321), we get a palindrome (433233383332334).

The spelling of 123030142302013 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty-two million, three hundred two thousand, thirteen".