11213333333123 has 2 divisors, whose sum is σ = 11213333333124. Its totient is φ = 11213333333122.

The previous prime is 11213333333047. The next prime is 11213333333143. The reversal of 11213333333123 is 32133333331211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11213333333123 - 2⁸ = 11213333332867 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11213333333123.

It is not a weakly prime, because it can be changed into another prime (11213333333143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606666666561 + 5606666666562.

It is an arithmetic number, because the mean of its divisors is an integer number (5606666666562).

Almost surely, 2^{11213333333123} is an apocalyptic number.

11213333333123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213333333123 is an equidigital number, since it uses as much as digits as its factorization.

11213333333123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 32.

Adding to 11213333333123 its reverse (32133333331211), we get a palindrome (43346666664334).

The spelling of 11213333333123 in words is "eleven trillion, two hundred thirteen billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred twenty-three".