21323303113367 has 2 divisors, whose sum is σ = 21323303113368. Its totient is φ = 21323303113366.

The previous prime is 21323303113223. The next prime is 21323303113393. The reversal of 21323303113367 is 76331130332312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21323303113367 - 2¹² = 21323303109271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21323303113367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21323303913367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661651556683 + 10661651556684.

It is an arithmetic number, because the mean of its divisors is an integer number (10661651556684).

Almost surely, 2^{21323303113367} is an apocalyptic number.

21323303113367 is a deficient number, since it is larger than the sum of its proper divisors (1).

21323303113367 is an equidigital number, since it uses as much as digits as its factorization.

21323303113367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 38.

Adding to 21323303113367 its reverse (76331130332312), we get a palindrome (97654433445679).

The spelling of 21323303113367 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred three million, one hundred thirteen thousand, three hundred sixty-seven".