243234432342 has 24 divisors (see below), whose sum is σ = 574917749640. Its totient is φ = 73707403680.

The previous prime is 243234432319. The next prime is 243234432347.

243234432342 is a `hidden beast` number, since 2 + 4 + 323 + 4 + 4 + 323 + 4 + 2 = 666.

243234432342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243234432297 and 243234432306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234432347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614228167 + ... + 614228562.

It is an arithmetic number, because the mean of its divisors is an integer number (23954906235).

Almost surely, 2^243234432342 is an apocalyptic number.

243234432342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243234432342 is an abundant number, since it is smaller than the sum of its proper divisors (331683317298).

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

243234432342 is a wasteful number, since it uses less digits than its factorization.

243234432342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228456748 (or 1228456745 counting only the distinct ones).

The product of its digits is 331776, while the sum is 36.

It can be divided in two parts, 243234 and 432342, that added together give a palindrome (675576).

The spelling of 243234432342 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred thirty-two thousand, three hundred forty-two".