923143 has 4 divisors (see below), whose sum is σ = 994168. Its totient is φ = 852120.

The previous prime is 923141. The next prime is 923147. The reversal of 923143 is 341329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341329 = 173 ⋅1973.

It is a cyclic number.

It is not a de Polignac number, because 923143 - 2¹ = 923141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35493 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (248542).

2⁹²³¹⁴³ is an apocalyptic number.

923143 is a deficient number, since it is larger than the sum of its proper divisors (71025).

923143 is a wasteful number, since it uses less digits than its factorization.

923143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71024.

The product of its digits is 648, while the sum is 22.

The square root of 923143 is about 960.8033097362. The cubic root of 923143 is about 97.3695120506.

The spelling of 923143 in words is "nine hundred twenty-three thousand, one hundred forty-three".