2919843423 has 16 divisors (see below), whose sum is σ = 4943650560. Its totient is φ = 1668481848.

The previous prime is 2919843401. The next prime is 2919843431. The reversal of 2919843423 is 3243489192.

2919843423 is a `hidden beast` number, since 2 + 9 + 198 + 434 + 23 = 666.

2919843423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2919843423 - 2⁶ = 2919843359 is a prime.

It is a super-2 number, since 2×2919843423² = 17050971229672713858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919843323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7724265 + ... + 7724642.

It is an arithmetic number, because the mean of its divisors is an integer number (308978160).

Almost surely, 2^2919843423 is an apocalyptic number.

2919843423 is a deficient number, since it is larger than the sum of its proper divisors (2023807137).

2919843423 is a wasteful number, since it uses less digits than its factorization.

2919843423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448923 (or 15448917 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2919843423 is about 54035.5755313109. The cubic root of 2919843423 is about 1429.2883516257.

The spelling of 2919843423 in words is "two billion, nine hundred nineteen million, eight hundred forty-three thousand, four hundred twenty-three".