243343104 has 36 divisors (see below), whose sum is σ = 647649576. Its totient is φ = 81114112.

The previous prime is 243343073. The next prime is 243343109. The reversal of 243343104 is 401343342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243343109) 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, 157659 + ... + 159194.

It is an arithmetic number, because the mean of its divisors is an integer number (17990266).

Almost surely, 2^243343104 is an apocalyptic number.

243343104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243343104 is an abundant number, since it is smaller than the sum of its proper divisors (404306472).

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

243343104 is an equidigital number, since it uses as much as digits as its factorization.

243343104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316872 (or 316858 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243343104 is about 15599.4584521387. The cubic root of 243343104 is about 624.3187063589.

Adding to 243343104 its reverse (401343342), we get a palindrome (644686446).

The spelling of 243343104 in words is "two hundred forty-three million, three hundred forty-three thousand, one hundred four".