243351436 has 12 divisors (see below), whose sum is σ = 426270880. Its totient is φ = 121559760.

The previous prime is 243351403. The next prime is 243351439. The reversal of 243351436 is 634153342.

243351436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243351398 and 243351407.

It is not an unprimeable number, because it can be changed into a prime (243351439) 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, 24180 + ... + 32731.

Almost surely, 2^243351436 is an apocalyptic number.

It is an amenable number.

243351436 is a deficient number, since it is larger than the sum of its proper divisors (182919444).

243351436 is a wasteful number, since it uses less digits than its factorization.

243351436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57984 (or 57982 counting only the distinct ones).

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

The square root of 243351436 is about 15599.7255104056. The cubic root of 243351436 is about 624.3258317770.

The spelling of 243351436 in words is "two hundred forty-three million, three hundred fifty-one thousand, four hundred thirty-six".