243232403231453 has 16 divisors (see below), whose sum is σ = 245903500235520. Its totient is φ = 240566480376000.

The previous prime is 243232403231429. The next prime is 243232403231459. The reversal of 243232403231453 is 354132304232342.

It is a cyclic number.

It is not a de Polignac number, because 243232403231453 - 2¹⁰ = 243232403230429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243232403231453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243232403231459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759065863 + ... + 4759116971.

It is an arithmetic number, because the mean of its divisors is an integer number (15368968764720).

Almost surely, 2^{243232403231453} is an apocalyptic number.

It is an amenable number.

243232403231453 is a deficient number, since it is larger than the sum of its proper divisors (2671097004067).

243232403231453 is a wasteful number, since it uses less digits than its factorization.

243232403231453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100708.

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 243232403231453 its reverse (354132304232342), we get a palindrome (597364707463795).

The spelling of 243232403231453 in words is "two hundred forty-three trillion, two hundred thirty-two billion, four hundred three million, two hundred thirty-one thousand, four hundred fifty-three".