21000323016083 has 2 divisors, whose sum is σ = 21000323016084. Its totient is φ = 21000323016082.

The previous prime is 21000323016067. The next prime is 21000323016107. The reversal of 21000323016083 is 38061032300012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21000323016083 - 2⁴ = 21000323016067 is a prime.

It is not a weakly prime, because it can be changed into another prime (21000323013083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500161508041 + 10500161508042.

It is an arithmetic number, because the mean of its divisors is an integer number (10500161508042).

Almost surely, 2^{21000323016083} is an apocalyptic number.

21000323016083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21000323016083 is an equidigital number, since it uses as much as digits as its factorization.

21000323016083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 21000323016083 its reverse (38061032300012), we get a palindrome (59061355316095).

It can be divided in two parts, 2100032 and 3016083, that added together give a palindrome (5116115).

The spelling of 21000323016083 in words is "twenty-one trillion, three hundred twenty-three million, sixteen thousand, eighty-three".