23550212011 has 2 divisors, whose sum is σ = 23550212012. Its totient is φ = 23550212010.

The previous prime is 23550212009. The next prime is 23550212143. The reversal of 23550212011 is 11021205532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23550212011 - 2¹ = 23550212009 is a prime.

It is a super-2 number, since 2×23550212011² (a number of 22 digits) contains 22 as substring.

Together with 23550212009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23550212311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11775106005 + 11775106006.

It is an arithmetic number, because the mean of its divisors is an integer number (11775106006).

Almost surely, 2^23550212011 is an apocalyptic number.

23550212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23550212011 is an equidigital number, since it uses as much as digits as its factorization.

23550212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 23550212011 its reverse (11021205532), we get a palindrome (34571417543).

The spelling of 23550212011 in words is "twenty-three billion, five hundred fifty million, two hundred twelve thousand, eleven".