8436243323 has 4 divisors (see below), whose sum is σ = 8438102400. Its totient is φ = 8434384248.

The previous prime is 8436243259. The next prime is 8436243337. The reversal of 8436243323 is 3233426348.

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 8436243323 - 2⁶ = 8436243259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8436243383) 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, 922715 + ... + 931812.

It is an arithmetic number, because the mean of its divisors is an integer number (2109525600).

Almost surely, 2^8436243323 is an apocalyptic number.

8436243323 is a deficient number, since it is larger than the sum of its proper divisors (1859077).

8436243323 is a wasteful number, since it uses less digits than its factorization.

8436243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859076.

The product of its digits is 248832, while the sum is 38.

The square root of 8436243323 is about 91849.0246164868. The cubic root of 8436243323 is about 2035.7121364298.

The spelling of 8436243323 in words is "eight billion, four hundred thirty-six million, two hundred forty-three thousand, three hundred twenty-three".