12344543236 has 27 divisors (see below), whose sum is σ = 21931754943. Its totient is φ = 6079720320.

The previous prime is 12344543213. The next prime is 12344543293. The reversal of 12344543236 is 63234544321.

The square root of 12344543236 is 111106.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4715568900 + 7628974336 = 68670^2 + 87344^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12344543195 and 12344543204.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16221096 + ... + 16221856.

Almost surely, 2^12344543236 is an apocalyptic number.

12344543236 is the 111106-th square number.

It is an amenable number.

12344543236 is a deficient number, since it is larger than the sum of its proper divisors (9587211707).

12344543236 is an frugal number, since it uses more digits than its factorization.

12344543236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 836 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

The spelling of 12344543236 in words is "twelve billion, three hundred forty-four million, five hundred forty-three thousand, two hundred thirty-six".