123202300123 has 16 divisors (see below), whose sum is σ = 142469807040. Its totient is φ = 104353007616.

The previous prime is 123202300087. The next prime is 123202300129. The reversal of 123202300123 is 321003202321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202300123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123202300123.

It is not an unprimeable number, because it can be changed into a prime (123202300129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998965 + ... + 1115497.

It is an arithmetic number, because the mean of its divisors is an integer number (8904362940).

Almost surely, 2^123202300123 is an apocalyptic number.

123202300123 is a deficient number, since it is larger than the sum of its proper divisors (19267506917).

123202300123 is a wasteful number, since it uses less digits than its factorization.

123202300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118326.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123202300123 its reverse (321003202321), we get a palindrome (444205502444).

The spelling of 123202300123 in words is "one hundred twenty-three billion, two hundred two million, three hundred thousand, one hundred twenty-three".