123103130201 has 4 divisors (see below), whose sum is σ = 123103912500. Its totient is φ = 123102347904.

The previous prime is 123103130197. The next prime is 123103130231. The reversal of 123103130201 is 102031301321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48355570201 + 74747560000 = 219899^2 + 273400^2 .

It is a cyclic number.

It is not a de Polignac number, because 123103130201 - 2² = 123103130197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123103130201.

It is not an unprimeable number, because it can be changed into a prime (123103130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63776 + ... + 500273.

It is an arithmetic number, because the mean of its divisors is an integer number (30775978125).

Almost surely, 2^123103130201 is an apocalyptic number.

It is an amenable number.

123103130201 is a deficient number, since it is larger than the sum of its proper divisors (782299).

123103130201 is an equidigital number, since it uses as much as digits as its factorization.

123103130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782298.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123103130201 its reverse (102031301321), we get a palindrome (225134431522).

The spelling of 123103130201 in words is "one hundred twenty-three billion, one hundred three million, one hundred thirty thousand, two hundred one".