111719341823 has 4 divisors (see below), whose sum is σ = 111721007880. Its totient is φ = 111717675768.

The previous prime is 111719341781. The next prime is 111719341829. The reversal of 111719341823 is 328143917111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111719341823 - 2⁸ = 111719341567 is a prime.

It is a super-2 number, since 2×111719341823² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111719341829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728033 + ... + 868026.

It is an arithmetic number, because the mean of its divisors is an integer number (27930251970).

Almost surely, 2^111719341823 is an apocalyptic number.

111719341823 is a deficient number, since it is larger than the sum of its proper divisors (1666057).

111719341823 is an equidigital number, since it uses as much as digits as its factorization.

111719341823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666056.

The product of its digits is 36288, while the sum is 41.

The spelling of 111719341823 in words is "one hundred eleven billion, seven hundred nineteen million, three hundred forty-one thousand, eight hundred twenty-three".