23212201123 has 2 divisors, whose sum is σ = 23212201124. Its totient is φ = 23212201122.

The previous prime is 23212201097. The next prime is 23212201147. The reversal of 23212201123 is 32110221232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212201123 - 2⁵ = 23212201091 is a prime.

It is a super-2 number, since 2×23212201123² (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 23212201123.

It is not a weakly prime, because it can be changed into another prime (23212201163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606100561 + 11606100562.

It is an arithmetic number, because the mean of its divisors is an integer number (11606100562).

Almost surely, 2^23212201123 is an apocalyptic number.

23212201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212201123 is an equidigital number, since it uses as much as digits as its factorization.

23212201123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23212201123 its reverse (32110221232), we get a palindrome (55322422355).

The spelling of 23212201123 in words is "twenty-three billion, two hundred twelve million, two hundred one thousand, one hundred twenty-three".