987323 has 4 divisors (see below), whose sum is σ = 1010328. Its totient is φ = 964320.

The previous prime is 987313. The next prime is 987353. The reversal of 987323 is 323789.

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 987323 - 2⁸ = 987067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987323.

It is not an unprimeable number, because it can be changed into a prime (987313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11438 + ... + 11523.

It is an arithmetic number, because the mean of its divisors is an integer number (252582).

2⁹⁸⁷³²³ is an apocalyptic number.

987323 is a deficient number, since it is larger than the sum of its proper divisors (23005).

987323 is a wasteful number, since it uses less digits than its factorization.

987323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004.

The product of its digits is 9072, while the sum is 32.

The square root of 987323 is about 993.6412833614. The cubic root of 987323 is about 99.5756350244.

It can be divided in two parts, 987 and 323, that multiplied together give a triangular number (318801 = T₇₉₈).

The spelling of 987323 in words is "nine hundred eighty-seven thousand, three hundred twenty-three".