993882423 has 4 divisors (see below), whose sum is σ = 1325176568. Its totient is φ = 662588280.

The previous prime is 993882397. The next prime is 993882433. The reversal of 993882423 is 324288399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324288399 = 3 ⋅108096133.

It is not a de Polignac number, because 993882423 - 2⁸ = 993882167 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 (993882433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165647068 + ... + 165647073.

It is an arithmetic number, because the mean of its divisors is an integer number (331294142).

Almost surely, 2^993882423 is an apocalyptic number.

993882423 is a deficient number, since it is larger than the sum of its proper divisors (331294145).

993882423 is a wasteful number, since it uses less digits than its factorization.

993882423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331294144.

The product of its digits is 746496, while the sum is 48.

The square root of 993882423 is about 31525.9008277321. The cubic root of 993882423 is about 997.9566351708.

The spelling of 993882423 in words is "nine hundred ninety-three million, eight hundred eighty-two thousand, four hundred twenty-three".