1984664323 has 4 divisors (see below), whose sum is σ = 2089120360. Its totient is φ = 1880208288.

The previous prime is 1984664317. The next prime is 1984664369. The reversal of 1984664323 is 3234664891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3234664891 = 107 ⋅30230513.

It is a cyclic number.

It is not a de Polignac number, because 1984664323 - 2²⁹ = 1447793411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1984664393) 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, 52227990 + ... + 52228027.

It is an arithmetic number, because the mean of its divisors is an integer number (522280090).

Almost surely, 2^1984664323 is an apocalyptic number.

1984664323 is a deficient number, since it is larger than the sum of its proper divisors (104456037).

1984664323 is a wasteful number, since it uses less digits than its factorization.

1984664323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104456036.

The product of its digits is 746496, while the sum is 46.

The square root of 1984664323 is about 44549.5715243144. The cubic root of 1984664323 is about 1256.6924933851.

The spelling of 1984664323 in words is "one billion, nine hundred eighty-four million, six hundred sixty-four thousand, three hundred twenty-three".