21022334023403 has 2 divisors, whose sum is σ = 21022334023404. Its totient is φ = 21022334023402.

The previous prime is 21022334023363. The next prime is 21022334023463. The reversal of 21022334023403 is 30432043322012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21022334023403 - 2²⁰ = 21022332974827 is a prime.

It is a super-3 number, since 3×21022334023403³ (a number of 41 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21022334023463) 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 as a sum of consecutive naturals, namely, 10511167011701 + 10511167011702.

It is an arithmetic number, because the mean of its divisors is an integer number (10511167011702).

Almost surely, 2^{21022334023403} is an apocalyptic number.

21022334023403 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022334023403 is an equidigital number, since it uses as much as digits as its factorization.

21022334023403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 21022334023403 its reverse (30432043322012), we get a palindrome (51454377345415).

The spelling of 21022334023403 in words is "twenty-one trillion, twenty-two billion, three hundred thirty-four million, twenty-three thousand, four hundred three".