2158444323 has 12 divisors (see below), whose sum is σ = 3563146288. Its totient is φ = 1233396720.

The previous prime is 2158444307. The next prime is 2158444331. The reversal of 2158444323 is 3234448512.

2158444323 is a `hidden beast` number, since 2 + 1 + 584 + 44 + 32 + 3 = 666.

It is not a de Polignac number, because 2158444323 - 2⁴ = 2158444307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158444333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17130448 + ... + 17130573.

Almost surely, 2^2158444323 is an apocalyptic number.

2158444323 is a deficient number, since it is larger than the sum of its proper divisors (1404701965).

2158444323 is a wasteful number, since it uses less digits than its factorization.

2158444323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34261034 (or 34261031 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 2158444323 is about 46459.0607201652. The cubic root of 2158444323 is about 1292.3504057368.

The spelling of 2158444323 in words is "two billion, one hundred fifty-eight million, four hundred forty-four thousand, three hundred twenty-three".