963823 has 8 divisors (see below), whose sum is σ = 1109792. Its totient is φ = 819936.

The previous prime is 963817. The next prime is 963839. The reversal of 963823 is 328369.

It is a happy number.

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 963823 - 2⁹ = 963311 is a prime.

It is a Duffinian number.

963823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (138724).

2⁹⁶³⁸²³ is an apocalyptic number.

963823 is a deficient number, since it is larger than the sum of its proper divisors (145969).

963823 is a wasteful number, since it uses less digits than its factorization.

963823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its digits is 7776, while the sum is 31.

The square root of 963823 is about 981.7448752094. The cubic root of 963823 is about 98.7792585416.

The spelling of 963823 in words is "nine hundred sixty-three thousand, eight hundred twenty-three".