992423 has 4 divisors (see below), whose sum is σ = 998088. Its totient is φ = 986760.

The previous prime is 992417. The next prime is 992429. The reversal of 992423 is 324299.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (992417) and next prime (992429).

It is a cyclic number.

It is not a de Polignac number, because 992423 - 2⁶ = 992359 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992429) 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 3 ways as a sum of consecutive naturals, for example, 2561 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (249522).

2⁹⁹²⁴²³ is an apocalyptic number.

992423 is a deficient number, since it is larger than the sum of its proper divisors (5665).

992423 is a wasteful number, since it uses less digits than its factorization.

992423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664.

The product of its digits is 3888, while the sum is 29.

The square root of 992423 is about 996.2042963168. The cubic root of 992423 is about 99.7467927353.

The spelling of 992423 in words is "nine hundred ninety-two thousand, four hundred twenty-three".