992423231 has 8 divisors (see below), whose sum is σ = 1003146144. Its totient is φ = 981721440.

The previous prime is 992423171. The next prime is 992423279. The reversal of 992423231 is 132324299.

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

It is a cyclic number.

It is not a de Polignac number, because 992423231 - 2⁶ = 992423167 is a prime.

It is a super-2 number, since 2×992423231² = 1969807738856958722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 992423191 and 992423200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992423431) 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 7 ways as a sum of consecutive naturals, for example, 100445 + ... + 109881.

It is an arithmetic number, because the mean of its divisors is an integer number (125393268).

Almost surely, 2^992423231 is an apocalyptic number.

992423231 is a deficient number, since it is larger than the sum of its proper divisors (10722913).

992423231 is a wasteful number, since it uses less digits than its factorization.

992423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561.

The product of its digits is 23328, while the sum is 35.

The square root of 992423231 is about 31502.7495784098. The cubic root of 992423231 is about 997.4680047442.

The spelling of 992423231 in words is "nine hundred ninety-two million, four hundred twenty-three thousand, two hundred thirty-one".