21014202023 has 2 divisors, whose sum is σ = 21014202024. Its totient is φ = 21014202022.

The previous prime is 21014201983. The next prime is 21014202043. The reversal of 21014202023 is 32020241012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21014202023 - 2²⁴ = 20997424807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21014201992 and 21014202010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21014202043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10507101011 + 10507101012.

It is an arithmetic number, because the mean of its divisors is an integer number (10507101012).

Almost surely, 2^21014202023 is an apocalyptic number.

21014202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21014202023 is an equidigital number, since it uses as much as digits as its factorization.

21014202023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21014202023 its reverse (32020241012), we get a palindrome (53034443035).

The spelling of 21014202023 in words is "twenty-one billion, fourteen million, two hundred two thousand, twenty-three".