243564465342 has 32 divisors (see below), whose sum is σ = 538140142080. Its totient is φ = 72873141120.

The previous prime is 243564465299. The next prime is 243564465367.

243564465342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243564465291 and 243564465300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23351563 + ... + 23361990.

It is an arithmetic number, because the mean of its divisors is an integer number (16816879440).

Almost surely, 2^243564465342 is an apocalyptic number.

243564465342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243564465342 is an abundant number, since it is smaller than the sum of its proper divisors (294575676738).

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

243564465342 is a wasteful number, since it uses less digits than its factorization.

243564465342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46713648.

The product of its digits is 8294400, while the sum is 48.

The spelling of 243564465342 in words is "two hundred forty-three billion, five hundred sixty-four million, four hundred sixty-five thousand, three hundred forty-two".