21330301212023 has 2 divisors, whose sum is σ = 21330301212024. Its totient is φ = 21330301212022.

The previous prime is 21330301212013. The next prime is 21330301212079. The reversal of 21330301212023 is 32021210303312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21330301212023 - 2⁶ = 21330301211959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21330301212023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330301212013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665150606011 + 10665150606012.

It is an arithmetic number, because the mean of its divisors is an integer number (10665150606012).

Almost surely, 2^{21330301212023} is an apocalyptic number.

21330301212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330301212023 is an equidigital number, since it uses as much as digits as its factorization.

21330301212023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21330301212023 its reverse (32021210303312), we get a palindrome (53351511515335).

The spelling of 21330301212023 in words is "twenty-one trillion, three hundred thirty billion, three hundred one million, two hundred twelve thousand, twenty-three".