492623143 has 4 divisors (see below), whose sum is σ = 505937320. Its totient is φ = 479308968.

The previous prime is 492623137. The next prime is 492623167. The reversal of 492623143 is 341326294.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 492623143 - 2⁹ = 492622631 is a prime.

It is a super-2 number, since 2×492623143² = 485355122038396898, 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 = 492623099 and 492623108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492623543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6657033 + ... + 6657106.

It is an arithmetic number, because the mean of its divisors is an integer number (126484330).

Almost surely, 2^492623143 is an apocalyptic number.

492623143 is a deficient number, since it is larger than the sum of its proper divisors (13314177).

492623143 is a wasteful number, since it uses less digits than its factorization.

492623143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314176.

The product of its digits is 31104, while the sum is 34.

The square root of 492623143 is about 22195.1152959384. The cubic root of 492623143 is about 789.7778272852. Note that the first 3 decimals are identical.

The spelling of 492623143 in words is "four hundred ninety-two million, six hundred twenty-three thousand, one hundred forty-three".