243234415432 has 8 divisors (see below), whose sum is σ = 456064528950. Its totient is φ = 121617207712.

The previous prime is 243234415399. The next prime is 243234415451. The reversal of 243234415432 is 234514432342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 207394624836 + 35839790596 = 455406^2 + 189314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 243234415391 and 243234415400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202150957 + ... + 15202150972.

Almost surely, 2^243234415432 is an apocalyptic number.

It is an amenable number.

243234415432 is a deficient number, since it is larger than the sum of its proper divisors (212830113518).

243234415432 is a wasteful number, since it uses less digits than its factorization.

243234415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30404301935 (or 30404301931 counting only the distinct ones).

The product of its digits is 276480, while the sum is 37.

Adding to 243234415432 its reverse (234514432342), we get a palindrome (477748847774).

The spelling of 243234415432 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred fifteen thousand, four hundred thirty-two".