2149854323 has 8 divisors (see below), whose sum is σ = 2277139392. Its totient is φ = 2022660736.

The previous prime is 2149854299. The next prime is 2149854341. The reversal of 2149854323 is 3234589412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149854323 is a prime.

It is a super-2 number, since 2×2149854323² = 9243747220243576658, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2149854353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28886 + ... + 71652.

It is an arithmetic number, because the mean of its divisors is an integer number (284642424).

Almost surely, 2^2149854323 is an apocalyptic number.

2149854323 is a deficient number, since it is larger than the sum of its proper divisors (127285069).

2149854323 is a wasteful number, since it uses less digits than its factorization.

2149854323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45741.

The product of its digits is 207360, while the sum is 41.

The square root of 2149854323 is about 46366.5215753781. The cubic root of 2149854323 is about 1290.6337296441.

The spelling of 2149854323 in words is "two billion, one hundred forty-nine million, eight hundred fifty-four thousand, three hundred twenty-three".