23330312011 has 2 divisors, whose sum is σ = 23330312012. Its totient is φ = 23330312010.

The previous prime is 23330311997. The next prime is 23330312017. The reversal of 23330312011 is 11021303332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23330312011 - 2³³ = 14740377419 is a prime.

It is a super-2 number, since 2×23330312011² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23330312011.

It is not a weakly prime, because it can be changed into another prime (23330312017) 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, 11665156005 + 11665156006.

It is an arithmetic number, because the mean of its divisors is an integer number (11665156006).

Almost surely, 2^23330312011 is an apocalyptic number.

23330312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330312011 is an equidigital number, since it uses as much as digits as its factorization.

23330312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23330312011 its reverse (11021303332), we get a palindrome (34351615343).

The spelling of 23330312011 in words is "twenty-three billion, three hundred thirty million, three hundred twelve thousand, eleven".