243253104 has 40 divisors (see below), whose sum is σ = 629824272. Its totient is φ = 80901120.

The previous prime is 243253103. The next prime is 243253111. The reversal of 243253104 is 401352342.

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 (243253103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16632 + ... + 27624.

Almost surely, 2^243253104 is an apocalyptic number.

243253104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243253104 is an abundant number, since it is smaller than the sum of its proper divisors (386571168).

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

243253104 is a wasteful number, since it uses less digits than its factorization.

243253104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465 (or 11459 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243253104 is about 15596.5734698363. The cubic root of 243253104 is about 624.2417291592.

The spelling of 243253104 in words is "two hundred forty-three million, two hundred fifty-three thousand, one hundred four".