243000342 has 24 divisors (see below), whose sum is σ = 567001344. Its totient is φ = 74769264.

The previous prime is 243000341. The next prime is 243000347.

243000342 is a `hidden beast` number, since 24 + 300 + 0 + 342 = 666.

243000342 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518998 + ... + 519465.

It is an arithmetic number, because the mean of its divisors is an integer number (23625056).

Almost surely, 2^243000342 is an apocalyptic number.

243000342 is an abundant number, since it is smaller than the sum of its proper divisors (324001002).

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

243000342 is a wasteful number, since it uses less digits than its factorization.

243000342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038484 (or 1038481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 243000342 is about 15588.4682377712. The cubic root of 243000342 is about 624.0254396680.

It can be divided in two parts, 243000 and 342, that added together give a palindrome (243342).

The spelling of 243000342 in words is "two hundred forty-three million, three hundred forty-two", and thus it is an aban number.