11855113423 has 2 divisors, whose sum is σ = 11855113424. Its totient is φ = 11855113422.

The previous prime is 11855113411. The next prime is 11855113429. The reversal of 11855113423 is 32431155811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11855113423 - 2¹³ = 11855105231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11855113429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5927556711 + 5927556712.

It is an arithmetic number, because the mean of its divisors is an integer number (5927556712).

Almost surely, 2^11855113423 is an apocalyptic number.

11855113423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11855113423 is an equidigital number, since it uses as much as digits as its factorization.

11855113423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The spelling of 11855113423 in words is "eleven billion, eight hundred fifty-five million, one hundred thirteen thousand, four hundred twenty-three".