1303213322123 has 32 divisors (see below), whose sum is σ = 1390142426112. Its totient is φ = 1219924540800.

The previous prime is 1303213322119. The next prime is 1303213322149. The reversal of 1303213322123 is 3212233123031.

It is a cyclic number.

It is not a de Polignac number, because 1303213322123 - 2² = 1303213322119 is a prime.

It is a super-2 number, since 2×1303213322123² (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 = 1303213322092 and 1303213322101.

It is not an unprimeable number, because it can be changed into a prime (1303213322153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137016938 + ... + 137026448.

It is an arithmetic number, because the mean of its divisors is an integer number (43441950816).

Almost surely, 2^{1303213322123} is an apocalyptic number.

1303213322123 is a deficient number, since it is larger than the sum of its proper divisors (86929103989).

1303213322123 is a wasteful number, since it uses less digits than its factorization.

1303213322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1303213322123 its reverse (3212233123031), we get a palindrome (4515446445154).

The spelling of 1303213322123 in words is "one trillion, three hundred three billion, two hundred thirteen million, three hundred twenty-two thousand, one hundred twenty-three".