1303023211123 has 16 divisors (see below), whose sum is σ = 1338125967360. Its totient is φ = 1268232033600.

The previous prime is 1303023211051. The next prime is 1303023211129. The reversal of 1303023211123 is 3211123203031.

It is a cyclic number.

It is not a de Polignac number, because 1303023211123 - 2²⁵ = 1302989656691 is a prime.

It is a super-2 number, since 2×1303023211123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303023211094 and 1303023211103.

It is not an unprimeable number, because it can be changed into a prime (1303023211129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31659268 + ... + 31700398.

It is an arithmetic number, because the mean of its divisors is an integer number (83632872960).

Almost surely, 2^{1303023211123} is an apocalyptic number.

1303023211123 is a deficient number, since it is larger than the sum of its proper divisors (35102756237).

1303023211123 is a wasteful number, since it uses less digits than its factorization.

1303023211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44898.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1303023211123 its reverse (3211123203031), we get a palindrome (4514146414154).

The spelling of 1303023211123 in words is "one trillion, three hundred three billion, twenty-three million, two hundred eleven thousand, one hundred twenty-three".