243534552342 has 32 divisors (see below), whose sum is σ = 512785345920. Its totient is φ = 76893494400.

The previous prime is 243534552341. The next prime is 243534552397. The reversal of 243534552342 is 243255435342.

It is a super-3 number, since 3×243534552342³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243534552294 and 243534552303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243534552341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569838 + ... + 900990.

It is an arithmetic number, because the mean of its divisors is an integer number (16024542060).

Almost surely, 2^243534552342 is an apocalyptic number.

243534552342 is an abundant number, since it is smaller than the sum of its proper divisors (269250793578).

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

243534552342 is a wasteful number, since it uses less digits than its factorization.

243534552342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337628.

The product of its digits is 1728000, while the sum is 42.

Adding to 243534552342 its reverse (243255435342), we get a palindrome (486789987684).

The spelling of 243534552342 in words is "two hundred forty-three billion, five hundred thirty-four million, five hundred fifty-two thousand, three hundred forty-two".