9723143236 has 27 divisors (see below), whose sum is σ = 17401824349. Its totient is φ = 4753598048.

The previous prime is 9723143231. The next prime is 9723143267. The reversal of 9723143236 is 6323413279.

The square root of 9723143236 is 98606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8818336836 + 904806400 = 93906^2 + 30080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9723143231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9268440 + ... + 9269488.

Almost surely, 2^9723143236 is an apocalyptic number.

9723143236 is the 98606-th square number.

It is an amenable number.

9723143236 is a deficient number, since it is larger than the sum of its proper divisors (7678681113).

9723143236 is an equidigital number, since it uses as much as digits as its factorization.

9723143236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 1098 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The cubic root of 9723143236 is about 2134.3660022447.

The spelling of 9723143236 in words is "nine billion, seven hundred twenty-three million, one hundred forty-three thousand, two hundred thirty-six".