123201300123 has 36 divisors (see below), whose sum is σ = 195904068360. Its totient is φ = 74553716160.

The previous prime is 123201300121. The next prime is 123201300127. The reversal of 123201300123 is 321003102321.

It is not a de Polignac number, because 123201300123 - 2¹ = 123201300121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123201300096 and 123201300105.

It is not an unprimeable number, because it can be changed into a prime (123201300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 631815 + ... + 803487.

Almost surely, 2^123201300123 is an apocalyptic number.

123201300123 is a deficient number, since it is larger than the sum of its proper divisors (72702768237).

123201300123 is a wasteful number, since it uses less digits than its factorization.

123201300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172360 (or 172346 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123201300123 its reverse (321003102321), we get a palindrome (444204402444).

It can be divided in two parts, 123201 and 300123, that added together give a palindrome (423324).

The spelling of 123201300123 in words is "one hundred twenty-three billion, two hundred one million, three hundred thousand, one hundred twenty-three".