21433214303 has 2 divisors, whose sum is σ = 21433214304. Its totient is φ = 21433214302.

The previous prime is 21433214293. The next prime is 21433214317. The reversal of 21433214303 is 30341233412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21433214303 - 2⁶ = 21433214239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21433214003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10716607151 + 10716607152.

It is an arithmetic number, because the mean of its divisors is an integer number (10716607152).

Almost surely, 2^21433214303 is an apocalyptic number.

21433214303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21433214303 is an equidigital number, since it uses as much as digits as its factorization.

21433214303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21433214303 its reverse (30341233412), we get a palindrome (51774447715).

The spelling of 21433214303 in words is "twenty-one billion, four hundred thirty-three million, two hundred fourteen thousand, three hundred three".