11500387823 has 2 divisors, whose sum is σ = 11500387824. Its totient is φ = 11500387822.

The previous prime is 11500387819. The next prime is 11500387837. The reversal of 11500387823 is 32878300511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11500387823 - 2² = 11500387819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11500380823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750193911 + 5750193912.

It is an arithmetic number, because the mean of its divisors is an integer number (5750193912).

Almost surely, 2^11500387823 is an apocalyptic number.

11500387823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500387823 is an equidigital number, since it uses as much as digits as its factorization.

11500387823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 11500387823 in words is "eleven billion, five hundred million, three hundred eighty-seven thousand, eight hundred twenty-three".