243012430 has 16 divisors (see below), whose sum is σ = 437853024. Its totient is φ = 97109280.

The previous prime is 243012421. The next prime is 243012443. The reversal of 243012430 is 34210342.

It is a super-2 number, since 2×243012430² = 118110082269009800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243012398 and 243012407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 22060.

It is an arithmetic number, because the mean of its divisors is an integer number (27365814).

Almost surely, 2^243012430 is an apocalyptic number.

243012430 is a deficient number, since it is larger than the sum of its proper divisors (194840594).

243012430 is a wasteful number, since it uses less digits than its factorization.

243012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23931.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 243012430 is about 15588.8559554574. The cubic root of 243012430 is about 624.0357868337.

Adding to 243012430 its reverse (34210342), we get a palindrome (277222772).

The spelling of 243012430 in words is "two hundred forty-three million, twelve thousand, four hundred thirty".