243431423415 has 112 divisors (see below), whose sum is σ = 464233055328. Its totient is φ = 122063044608.

The previous prime is 243431423407. The next prime is 243431423423. The reversal of 243431423415 is 514324134342.

243431423415 is a `hidden beast` number, since 243 + 4 + 31 + 42 + 341 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (243431423407) and next prime (243431423423).

It is not a de Polignac number, because 243431423415 - 2³ = 243431423407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243431423415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 88422679 + ... + 88425431.

It is an arithmetic number, because the mean of its divisors is an integer number (4144937994).

Almost surely, 2^243431423415 is an apocalyptic number.

243431423415 is a deficient number, since it is larger than the sum of its proper divisors (220801631913).

243431423415 is a wasteful number, since it uses less digits than its factorization.

243431423415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220 (or 4205 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 243431423415 its reverse (514324134342), we get a palindrome (757755557757).

The spelling of 243431423415 in words is "two hundred forty-three billion, four hundred thirty-one million, four hundred twenty-three thousand, four hundred fifteen".