2942118823 has 4 divisors (see below), whose sum is σ = 3362421520. Its totient is φ = 2521816128.

The previous prime is 2942118793. The next prime is 2942118841. The reversal of 2942118823 is 3288112492.

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 2942118823 - 2¹³ = 2942110631 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 (2942118863) 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, 210151338 + ... + 210151351.

It is an arithmetic number, because the mean of its divisors is an integer number (840605380).

Almost surely, 2^2942118823 is an apocalyptic number.

2942118823 is a deficient number, since it is larger than the sum of its proper divisors (420302697).

2942118823 is an equidigital number, since it uses as much as digits as its factorization.

2942118823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420302696.

The product of its digits is 55296, while the sum is 40.

The square root of 2942118823 is about 54241.3018188170. The cubic root of 2942118823 is about 1432.9138140124.

The spelling of 2942118823 in words is "two billion, nine hundred forty-two million, one hundred eighteen thousand, eight hundred twenty-three".