21132002001323 has 2 divisors, whose sum is σ = 21132002001324. Its totient is φ = 21132002001322.

The previous prime is 21132002001289. The next prime is 21132002001359. The reversal of 21132002001323 is 32310020023112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21132002001323 - 2⁸ = 21132002001067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21132002001295 and 21132002001304.

It is not a weakly prime, because it can be changed into another prime (21132002001823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566001000661 + 10566001000662.

It is an arithmetic number, because the mean of its divisors is an integer number (10566001000662).

Almost surely, 2^{21132002001323} is an apocalyptic number.

21132002001323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132002001323 is an equidigital number, since it uses as much as digits as its factorization.

21132002001323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21132002001323 its reverse (32310020023112), we get a palindrome (53442022024435).

The spelling of 21132002001323 in words is "twenty-one trillion, one hundred thirty-two billion, two million, one thousand, three hundred twenty-three".