162723 has 8 divisors (see below), whose sum is σ = 236736. Its totient is φ = 98600.

The previous prime is 162713. The next prime is 162727. The reversal of 162723 is 327261.

It is a happy number.

162723 is nontrivially palindromic in base 15.

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 162723 - 2⁵ = 162691 is a prime.

162723 is a nontrivial repdigit in base 15.

It is a plaindrome in base 15.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 162723.

It is not an unprimeable number, because it can be changed into a prime (162727) 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 7 ways as a sum of consecutive naturals, for example, 2433 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (29592).

2¹⁶²⁷²³ is an apocalyptic number.

162723 is a deficient number, since it is larger than the sum of its proper divisors (74013).

162723 is a wasteful number, since it uses less digits than its factorization.

162723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its digits is 504, while the sum is 21.

The square root of 162723 is about 403.3893900439. The cubic root of 162723 is about 54.5945948573.

Adding to 162723 its reverse (327261), we get a palindrome (489984).

The spelling of 162723 in words is "one hundred sixty-two thousand, seven hundred twenty-three".