11204320423 has 2 divisors, whose sum is σ = 11204320424. Its totient is φ = 11204320422.

The previous prime is 11204320417. The next prime is 11204320453. The reversal of 11204320423 is 32402340211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11204320423 - 2³³ = 2614385831 is a prime.

It is a super-2 number, since 2×11204320423² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11204320394 and 11204320403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11204320453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602160211 + 5602160212.

It is an arithmetic number, because the mean of its divisors is an integer number (5602160212).

Almost surely, 2^11204320423 is an apocalyptic number.

11204320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11204320423 is an equidigital number, since it uses as much as digits as its factorization.

11204320423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11204320423 its reverse (32402340211), we get a palindrome (43606660634).

The spelling of 11204320423 in words is "eleven billion, two hundred four million, three hundred twenty thousand, four hundred twenty-three".