243242546523453 has 12 divisors (see below), whose sum is σ = 352165543000128. Its totient is φ = 161785452441480.

The previous prime is 243242546523413. The next prime is 243242546523463. The reversal of 243242546523453 is 354325645242342.

243242546523453 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 4 + 2 + 546 + 52 + 3 + 45 + 3 = 666.

It is not a de Polignac number, because 243242546523453 - 2²⁵ = 243242512969021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243242546523453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242546523413) 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, 31353765975 + ... + 31353773732.

It is an arithmetic number, because the mean of its divisors is an integer number (29347128583344).

Almost surely, 2^{243242546523453} is an apocalyptic number.

It is an amenable number.

243242546523453 is a deficient number, since it is larger than the sum of its proper divisors (108922996476675).

243242546523453 is a wasteful number, since it uses less digits than its factorization.

243242546523453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62707540144 (or 62707540141 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 54.

The spelling of 243242546523453 in words is "two hundred forty-three trillion, two hundred forty-two billion, five hundred forty-six million, five hundred twenty-three thousand, four hundred fifty-three".