11111923343 has 8 divisors (see below), whose sum is σ = 11433682656. Its totient is φ = 10794316000.

The previous prime is 11111923337. The next prime is 11111923351. The reversal of 11111923343 is 34332911111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111923343 - 2⁸ = 11111923087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111923943) 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 in 7 ways as a sum of consecutive naturals, for example, 1032563 + ... + 1043268.

It is an arithmetic number, because the mean of its divisors is an integer number (1429210332).

Almost surely, 2^11111923343 is an apocalyptic number.

11111923343 is a deficient number, since it is larger than the sum of its proper divisors (321759313).

11111923343 is a wasteful number, since it uses less digits than its factorization.

11111923343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075985.

The product of its digits is 1944, while the sum is 29.

The spelling of 11111923343 in words is "eleven billion, one hundred eleven million, nine hundred twenty-three thousand, three hundred forty-three".