43321314523 has 8 divisors (see below), whose sum is σ = 46144298592. Its totient is φ = 40528849536.

The previous prime is 43321314521. The next prime is 43321314539. The reversal of 43321314523 is 32541312334.

It is a happy number.

43321314523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43321314523 - 2¹ = 43321314521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43321314521) 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, 7626840 + ... + 7632517.

It is an arithmetic number, because the mean of its divisors is an integer number (5768037324).

Almost surely, 2^43321314523 is an apocalyptic number.

43321314523 is a deficient number, since it is larger than the sum of its proper divisors (2822984069).

43321314523 is a wasteful number, since it uses less digits than its factorization.

43321314523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259541.

The product of its digits is 25920, while the sum is 31.

Adding to 43321314523 its reverse (32541312334), we get a palindrome (75862626857).

The spelling of 43321314523 in words is "forty-three billion, three hundred twenty-one million, three hundred fourteen thousand, five hundred twenty-three".