942823 has 6 divisors (see below), whose sum is σ = 1080456. Its totient is φ = 805932.

The previous prime is 942811. The next prime is 942827. The reversal of 942823 is 328249.

It is not a de Polignac number, because 942823 - 2⁹ = 942311 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 942791 and 942800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2386 + ... + 2752.

It is an arithmetic number, because the mean of its divisors is an integer number (180076).

2⁹⁴²⁸²³ is an apocalyptic number.

942823 is a deficient number, since it is larger than the sum of its proper divisors (137633).

942823 is an frugal number, since it uses more digits than its factorization.

942823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 374 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 942823 is about 970.9907311607. The cubic root of 942823 is about 98.0565756900.

Multiplying 942823 by its sum of digits (28), we get a square (26399044 = 5138²).

The spelling of 942823 in words is "nine hundred forty-two thousand, eight hundred twenty-three".