243230450 has 48 divisors (see below), whose sum is σ = 471532320. Its totient is φ = 93264000.

The previous prime is 243230447. The next prime is 243230459. The reversal of 243230450 is 54032342.

It is a super-2 number, since 2×243230450² = 118322103614405000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243230459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119945 + ... + 121955.

It is an arithmetic number, because the mean of its divisors is an integer number (9823590).

Almost surely, 2^243230450 is an apocalyptic number.

243230450 is a deficient number, since it is larger than the sum of its proper divisors (228301870).

243230450 is a wasteful number, since it uses less digits than its factorization.

243230450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243230450 is about 15595.8472036629. The cubic root of 243230450 is about 624.2223501518. Note that the first 3 decimals are identical.

Adding to 243230450 its reverse (54032342), we get a palindrome (297262792).

The spelling of 243230450 in words is "two hundred forty-three million, two hundred thirty thousand, four hundred fifty".