243134300 has 18 divisors (see below), whose sum is σ = 527601648. Its totient is φ = 97253680.

The previous prime is 243134293. The next prime is 243134321. The reversal of 243134300 is 3431342.

It is a super-2 number, since 2×243134300² = 118228575672980000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1215572 + ... + 1215771.

Almost surely, 2^243134300 is an apocalyptic number.

243134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243134300 is an abundant number, since it is smaller than the sum of its proper divisors (284467348).

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

243134300 is a wasteful number, since it uses less digits than its factorization.

243134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431357 (or 2431350 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 243134300 is about 15592.7643476069. The cubic root of 243134300 is about 624.1400867547.

Adding to 243134300 its reverse (3431342), we get a palindrome (246565642).

The spelling of 243134300 in words is "two hundred forty-three million, one hundred thirty-four thousand, three hundred".