23113323533 has 2 divisors, whose sum is σ = 23113323534. Its totient is φ = 23113323532.

The previous prime is 23113323521. The next prime is 23113323551. The reversal of 23113323533 is 33532331132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19830835684 + 3282487849 = 140822^2 + 57293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113323533 is a prime.

It is a super-2 number, since 2×23113323533² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23113323496 and 23113323505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113323733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556661766 + 11556661767.

It is an arithmetic number, because the mean of its divisors is an integer number (11556661767).

Almost surely, 2^23113323533 is an apocalyptic number.

It is an amenable number.

23113323533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113323533 is an equidigital number, since it uses as much as digits as its factorization.

23113323533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 29.

Adding to 23113323533 its reverse (33532331132), we get a palindrome (56645654665).

The spelling of 23113323533 in words is "twenty-three billion, one hundred thirteen million, three hundred twenty-three thousand, five hundred thirty-three".