143723 has 4 divisors (see below), whose sum is σ = 145248. Its totient is φ = 142200.

The previous prime is 143719. The next prime is 143729. The reversal of 143723 is 327341.

143723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 143723 - 2² = 143719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143695 and 143704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143729) 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, 611 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (36312).

2¹⁴³⁷²³ is an apocalyptic number.

143723 is a deficient number, since it is larger than the sum of its proper divisors (1525).

143723 is a wasteful number, since it uses less digits than its factorization.

143723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its digits is 504, while the sum is 20.

The square root of 143723 is about 379.1081639849. The cubic root of 143723 is about 52.3811977294.

The spelling of 143723 in words is "one hundred forty-three thousand, seven hundred twenty-three", and thus it is an iban number.