49723 has 4 divisors (see below), whose sum is σ = 52360. Its totient is φ = 47088.

The previous prime is 49711. The next prime is 49727. The reversal of 49723 is 32794.

49723 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 49723 - 2⁹ = 49211 is a prime.

It is a d-powerful number, because it can be written as 4³ + 9² + 7⁵ + 2¹⁵ + 3 .

It is a Duffinian number.

49723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (49727) 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, 1290 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (13090).

2⁴⁹⁷²³ is an apocalyptic number.

49723 is a deficient number, since it is larger than the sum of its proper divisors (2637).

49723 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 49723 = (24937)₁₂.

49723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its digits is 1512, while the sum is 25.

The square root of 49723 is about 222.9865466794. The cubic root of 49723 is about 36.7721571846.

The spelling of 49723 in words is "forty-nine thousand, seven hundred twenty-three".