1321423411003 has 2 divisors, whose sum is σ = 1321423411004. Its totient is φ = 1321423411002.

The previous prime is 1321423410949. The next prime is 1321423411037. The reversal of 1321423411003 is 3001143241231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321423411003 - 2⁹ = 1321423410491 is a prime.

It is a super-2 number, since 2×1321423411003² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1321423411603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660711705501 + 660711705502.

It is an arithmetic number, because the mean of its divisors is an integer number (660711705502).

Almost surely, 2^{1321423411003} is an apocalyptic number.

1321423411003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321423411003 is an equidigital number, since it uses as much as digits as its factorization.

1321423411003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1321423411003 its reverse (3001143241231), we get a palindrome (4322566652234).

The spelling of 1321423411003 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-three million, four hundred eleven thousand, three".