11919942323 has 4 divisors (see below), whose sum is σ = 12197150328. Its totient is φ = 11642734320.

The previous prime is 11919942301. The next prime is 11919942371. The reversal of 11919942323 is 32324991911.

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 11919942323 - 2²⁴ = 11903165107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11919942623) 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, 138603938 + ... + 138604023.

It is an arithmetic number, because the mean of its divisors is an integer number (3049287582).

Almost surely, 2^11919942323 is an apocalyptic number.

11919942323 is a deficient number, since it is larger than the sum of its proper divisors (277208005).

11919942323 is an equidigital number, since it uses as much as digits as its factorization.

11919942323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277208004.

The product of its digits is 104976, while the sum is 44.

The spelling of 11919942323 in words is "eleven billion, nine hundred nineteen million, nine hundred forty-two thousand, three hundred twenty-three".