11323021189 has 2 divisors, whose sum is σ = 11323021190. Its totient is φ = 11323021188.

The previous prime is 11323021153. The next prime is 11323021211. The reversal of 11323021189 is 98112032311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10739798689 + 583222500 = 103633^2 + 24150^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323021189 - 2⁹ = 11323020677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11323021189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323021109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661510594 + 5661510595.

It is an arithmetic number, because the mean of its divisors is an integer number (5661510595).

Almost surely, 2^11323021189 is an apocalyptic number.

It is an amenable number.

11323021189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323021189 is an equidigital number, since it uses as much as digits as its factorization.

11323021189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 11323021189 in words is "eleven billion, three hundred twenty-three million, twenty-one thousand, one hundred eighty-nine".