123220130310203 has 4 divisors (see below), whose sum is σ = 123220185385248. Its totient is φ = 123220075235160.

The previous prime is 123220130310149. The next prime is 123220130310209. The reversal of 123220130310203 is 302013031022321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123220130310203 - 2¹² = 123220130306107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123220130310209) 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 in 3 ways as a sum of consecutive naturals, for example, 24032876 + ... + 28705737.

It is an arithmetic number, because the mean of its divisors is an integer number (30805046346312).

Almost surely, 2^{123220130310203} is an apocalyptic number.

123220130310203 is a deficient number, since it is larger than the sum of its proper divisors (55075045).

123220130310203 is an equidigital number, since it uses as much as digits as its factorization.

123220130310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55075044.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123220130310203 its reverse (302013031022321), we get a palindrome (425233161332524).

The spelling of 123220130310203 in words is "one hundred twenty-three trillion, two hundred twenty billion, one hundred thirty million, three hundred ten thousand, two hundred three".