43316423 has 4 divisors (see below), whose sum is σ = 44133768. Its totient is φ = 42499080.

The previous prime is 43316407. The next prime is 43316453. The reversal of 43316423 is 32461334.

It is a happy number.

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 43316423 - 2⁴ = 43316407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43316392 and 43316401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43316453) 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, 408593 + ... + 408698.

It is an arithmetic number, because the mean of its divisors is an integer number (11033442).

Almost surely, 2^43316423 is an apocalyptic number.

43316423 is a deficient number, since it is larger than the sum of its proper divisors (817345).

43316423 is an equidigital number, since it uses as much as digits as its factorization.

43316423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817344.

The product of its digits is 5184, while the sum is 26.

The square root of 43316423 is about 6581.5213286899. The cubic root of 43316423 is about 351.1970522555.

Adding to 43316423 its reverse (32461334), we get a palindrome (75777757).

The spelling of 43316423 in words is "forty-three million, three hundred sixteen thousand, four hundred twenty-three".