243253121352342 has 16 divisors (see below), whose sum is σ = 486583112150640. Its totient is φ = 81071562209792.

The previous prime is 243253121352271. The next prime is 243253121352349.

243253121352342 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×243253121352342³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243253121352294 and 243253121352303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243253121352349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202852443 + ... + 3202928390.

It is an arithmetic number, because the mean of its divisors is an integer number (30411444509415).

Almost surely, 2^{243253121352342} is an apocalyptic number.

243253121352342 is an abundant number, since it is smaller than the sum of its proper divisors (243329990798298).

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

243253121352342 is a wasteful number, since it uses less digits than its factorization.

243253121352342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405787167.

The product of its digits is 1036800, while the sum is 42.

The spelling of 243253121352342 in words is "two hundred forty-three trillion, two hundred fifty-three billion, one hundred twenty-one million, three hundred fifty-two thousand, three hundred forty-two".