21032312083 has 2 divisors, whose sum is σ = 21032312084. Its totient is φ = 21032312082.

The previous prime is 21032312051. The next prime is 21032312107. The reversal of 21032312083 is 38021323012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21032312083 - 2⁵ = 21032312051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21032312003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516156041 + 10516156042.

It is an arithmetic number, because the mean of its divisors is an integer number (10516156042).

Almost surely, 2^21032312083 is an apocalyptic number.

21032312083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032312083 is an equidigital number, since it uses as much as digits as its factorization.

21032312083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21032312083 its reverse (38021323012), we get a palindrome (59053635095).

The spelling of 21032312083 in words is "twenty-one billion, thirty-two million, three hundred twelve thousand, eighty-three".