11347781023 has 2 divisors, whose sum is σ = 11347781024. Its totient is φ = 11347781022.

The previous prime is 11347781021. The next prime is 11347781051. The reversal of 11347781023 is 32018774311.

It is a happy number.

11347781023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11347781023 - 2¹ = 11347781021 is a prime.

Together with 11347781021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11347781021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5673890511 + 5673890512.

It is an arithmetic number, because the mean of its divisors is an integer number (5673890512).

Almost surely, 2^11347781023 is an apocalyptic number.

11347781023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11347781023 is an equidigital number, since it uses as much as digits as its factorization.

11347781023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 11347781023 in words is "eleven billion, three hundred forty-seven million, seven hundred eighty-one thousand, twenty-three".