123101133203 has 2 divisors, whose sum is σ = 123101133204. Its totient is φ = 123101133202.

The previous prime is 123101133187. The next prime is 123101133251. The reversal of 123101133203 is 302331101321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123101133203 - 2⁴ = 123101133187 is a prime.

It is not a weakly prime, because it can be changed into another prime (123101133263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550566601 + 61550566602.

It is an arithmetic number, because the mean of its divisors is an integer number (61550566602).

Almost surely, 2^123101133203 is an apocalyptic number.

123101133203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123101133203 is an equidigital number, since it uses as much as digits as its factorization.

123101133203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123101133203 its reverse (302331101321), we get a palindrome (425432234524).

The spelling of 123101133203 in words is "one hundred twenty-three billion, one hundred one million, one hundred thirty-three thousand, two hundred three".