4523723 has 4 divisors (see below), whose sum is σ = 4528080. Its totient is φ = 4519368.

The previous prime is 4523719. The next prime is 4523747. The reversal of 4523723 is 3273254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3273254 = 2 ⋅1636627.

It is a cyclic number.

It is not a de Polignac number, because 4523723 - 2² = 4523719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4523692 and 4523701.

It is not an unprimeable number, because it can be changed into a prime (4523713) 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, 386 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (1132020).

Almost surely, 2^4523723 is an apocalyptic number.

4523723 is a deficient number, since it is larger than the sum of its proper divisors (4357).

4523723 is a wasteful number, since it uses less digits than its factorization.

4523723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356.

The product of its digits is 5040, while the sum is 26.

The square root of 4523723 is about 2126.9045582724. The cubic root of 4523723 is about 165.3859712332.

Adding to 4523723 its reverse (3273254), we get a palindrome (7796977).

The spelling of 4523723 in words is "four million, five hundred twenty-three thousand, seven hundred twenty-three".