1306123334403 has 16 divisors (see below), whose sum is σ = 1819122001920. Its totient is φ = 832016233664.

The previous prime is 1306123334323. The next prime is 1306123334407. The reversal of 1306123334403 is 3044333216031.

It is a cyclic number.

It is not a de Polignac number, because 1306123334403 - 2⁸ = 1306123334147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1306123334407) 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, 9865683 + ... + 9997196.

It is an arithmetic number, because the mean of its divisors is an integer number (113695125120).

Almost surely, 2^{1306123334403} is an apocalyptic number.

1306123334403 is a deficient number, since it is larger than the sum of its proper divisors (512998667517).

1306123334403 is a wasteful number, since it uses less digits than its factorization.

1306123334403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19863858.

The product of its (nonzero) digits is 46656, while the sum is 33.

The spelling of 1306123334403 in words is "one trillion, three hundred six billion, one hundred twenty-three million, three hundred thirty-four thousand, four hundred three".