1303211133023 has 2 divisors, whose sum is σ = 1303211133024. Its totient is φ = 1303211133022.

The previous prime is 1303211133001. The next prime is 1303211133067. The reversal of 1303211133023 is 3203311123031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303211133023 - 2²⁰ = 1303210084447 is a prime.

It is a super-2 number, since 2×1303211133023² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303211133023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303211133083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651605566511 + 651605566512.

It is an arithmetic number, because the mean of its divisors is an integer number (651605566512).

Almost surely, 2^{1303211133023} is an apocalyptic number.

1303211133023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303211133023 is an equidigital number, since it uses as much as digits as its factorization.

1303211133023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1303211133023 its reverse (3203311123031), we get a palindrome (4506522256054).

The spelling of 1303211133023 in words is "one trillion, three hundred three billion, two hundred eleven million, one hundred thirty-three thousand, twenty-three".