243254452342 has 16 divisors (see below), whose sum is σ = 398261541312. Its totient is φ = 110512205320.

The previous prime is 243254452339. The next prime is 243254452349.

243254452342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243254452295 and 243254452304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243254452349) 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, 2857108 + ... + 2941015.

It is an arithmetic number, because the mean of its divisors is an integer number (24891346332).

Almost surely, 2^243254452342 is an apocalyptic number.

243254452342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243254452342 is a deficient number, since it is larger than the sum of its proper divisors (155007088970).

243254452342 is a wasteful number, since it uses less digits than its factorization.

243254452342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800043.

The product of its digits is 921600, while the sum is 40.

It can be divided in two parts, 243254 and 452342, that added together give a palindrome (695596).

The spelling of 243254452342 in words is "two hundred forty-three billion, two hundred fifty-four million, four hundred fifty-two thousand, three hundred forty-two".