1203331320123 has 8 divisors (see below), whose sum is σ = 1615984507200. Its totient is φ = 796449506568.

The previous prime is 1203331320109. The next prime is 1203331320167. The reversal of 1203331320123 is 3210231333021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1203331320123 - 2⁵ = 1203331320091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203331320093 and 1203331320102.

It is not an unprimeable number, because it can be changed into a prime (1203331328123) 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 7 ways as a sum of consecutive naturals, for example, 1442842893 + ... + 1442843726.

It is an arithmetic number, because the mean of its divisors is an integer number (201998063400).

Almost surely, 2^{1203331320123} is an apocalyptic number.

1203331320123 is a deficient number, since it is larger than the sum of its proper divisors (412653187077).

1203331320123 is a wasteful number, since it uses less digits than its factorization.

1203331320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885686761.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1203331320123 its reverse (3210231333021), we get a palindrome (4413562653144).

The spelling of 1203331320123 in words is "one trillion, two hundred three billion, three hundred thirty-one million, three hundred twenty thousand, one hundred twenty-three".