243400002 has 16 divisors (see below), whose sum is σ = 486962400. Its totient is φ = 81106272.

The previous prime is 243399997. The next prime is 243400043. The reversal of 243400002 is 200004342.

It is a happy number.

243400002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22374 + ... + 31422.

It is an arithmetic number, because the mean of its divisors is an integer number (30435150).

Almost surely, 2^243400002 is an apocalyptic number.

243400002 is an abundant number, since it is smaller than the sum of its proper divisors (243562398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243400002 is a wasteful number, since it uses less digits than its factorization.

243400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 243400002 is about 15601.2820627024. The cubic root of 243400002 is about 624.3673615525.

Adding to 243400002 its reverse (200004342), we get a palindrome (443404344).

The spelling of 243400002 in words is "two hundred forty-three million, four hundred thousand, two".