21133202323 has 2 divisors, whose sum is σ = 21133202324. Its totient is φ = 21133202322.

The previous prime is 21133202317. The next prime is 21133202329. The reversal of 21133202323 is 32320233112.

It is a balanced prime because it is at equal distance from previous prime (21133202317) and next prime (21133202329).

It is a cyclic number.

It is not a de Polignac number, because 21133202323 - 2⁵ = 21133202291 is a prime.

It is a super-2 number, since 2×21133202323² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21133202294 and 21133202303.

It is not a weakly prime, because it can be changed into another prime (21133202329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566601161 + 10566601162.

It is an arithmetic number, because the mean of its divisors is an integer number (10566601162).

Almost surely, 2^21133202323 is an apocalyptic number.

21133202323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133202323 is an equidigital number, since it uses as much as digits as its factorization.

21133202323 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 22.

Adding to 21133202323 its reverse (32320233112), we get a palindrome (53453435435).

The spelling of 21133202323 in words is "twenty-one billion, one hundred thirty-three million, two hundred two thousand, three hundred twenty-three".