11200231243 has 2 divisors, whose sum is σ = 11200231244. Its totient is φ = 11200231242.

The previous prime is 11200231181. The next prime is 11200231249. The reversal of 11200231243 is 34213200211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11200231243 - 2⁹ = 11200230731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200231243.

It is not a weakly prime, because it can be changed into another prime (11200231249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600115621 + 5600115622.

It is an arithmetic number, because the mean of its divisors is an integer number (5600115622).

Almost surely, 2^11200231243 is an apocalyptic number.

11200231243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200231243 is an equidigital number, since it uses as much as digits as its factorization.

11200231243 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 11200231243 its reverse (34213200211), we get a palindrome (45413431454).

The spelling of 11200231243 in words is "eleven billion, two hundred million, two hundred thirty-one thousand, two hundred forty-three".