201111623393 has 2 divisors, whose sum is σ = 201111623394. Its totient is φ = 201111623392.

The previous prime is 201111623359. The next prime is 201111623431. The reversal of 201111623393 is 393326111102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171136933969 + 29974689424 = 413687^2 + 173132^2 .

It is a cyclic number.

It is not a de Polignac number, because 201111623393 - 2¹⁴ = 201111607009 is a prime.

It is not a weakly prime, because it can be changed into another prime (201111623333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555811696 + 100555811697.

It is an arithmetic number, because the mean of its divisors is an integer number (100555811697).

Almost surely, 2^201111623393 is an apocalyptic number.

It is an amenable number.

201111623393 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111623393 is an equidigital number, since it uses as much as digits as its factorization.

201111623393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

Adding to 201111623393 its reverse (393326111102), we get a palindrome (594437734495).

The spelling of 201111623393 in words is "two hundred one billion, one hundred eleven million, six hundred twenty-three thousand, three hundred ninety-three".