8723345 has 8 divisors (see below), whose sum is σ = 10829160. Its totient is φ = 6737920.

The previous prime is 8723321. The next prime is 8723347. The reversal of 8723345 is 5433278.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2982529 + 5740816 = 1727^2 + 2396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8723345 - 2⁸ = 8723089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8723347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29936 + ... + 30225.

It is an arithmetic number, because the mean of its divisors is an integer number (1353645).

Almost surely, 2^8723345 is an apocalyptic number.

It is an amenable number.

8723345 is a deficient number, since it is larger than the sum of its proper divisors (2105815).

8723345 is a wasteful number, since it uses less digits than its factorization.

8723345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60195.

The product of its digits is 20160, while the sum is 32.

The square root of 8723345 is about 2953.5309377083. The cubic root of 8723345 is about 205.8548086160.

It can be divided in two parts, 87233 and 45, that added together give a palindrome (87278).

The spelling of 8723345 in words is "eight million, seven hundred twenty-three thousand, three hundred forty-five".