8723401 has 4 divisors (see below), whose sum is σ = 8756100. Its totient is φ = 8690704.

The previous prime is 8723399. The next prime is 8723419. The reversal of 8723401 is 1043278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3059001 + 5664400 = 1749^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 8723401 - 2¹ = 8723399 is a prime.

It is a Duffinian number.

8723401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8723441) 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 3 ways as a sum of consecutive naturals, for example, 15946 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (2189025).

Almost surely, 2^8723401 is an apocalyptic number.

It is an amenable number.

8723401 is a deficient number, since it is larger than the sum of its proper divisors (32699).

8723401 is a wasteful number, since it uses less digits than its factorization.

8723401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32698.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8723401 is about 2953.5404178714. The cubic root of 8723401 is about 205.8552491139.

Adding to 8723401 its reverse (1043278), we get a palindrome (9766679).

The spelling of 8723401 in words is "eight million, seven hundred twenty-three thousand, four hundred one".