243441100453 has 4 divisors (see below), whose sum is σ = 243593157708. Its totient is φ = 243289043200.

The previous prime is 243441100439. The next prime is 243441100477. The reversal of 243441100453 is 354001144342.

243441100453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235402543489 + 8038556964 = 485183^2 + 89658^2 .

It is a cyclic number.

It is not a de Polignac number, because 243441100453 - 2⁵ = 243441100421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441100423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76026226 + ... + 76029427.

It is an arithmetic number, because the mean of its divisors is an integer number (60898289427).

Almost surely, 2^243441100453 is an apocalyptic number.

It is an amenable number.

243441100453 is a deficient number, since it is larger than the sum of its proper divisors (152057255).

243441100453 is a wasteful number, since it uses less digits than its factorization.

243441100453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152057254.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243441100453 its reverse (354001144342), we get a palindrome (597442244795).

The spelling of 243441100453 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, four hundred fifty-three".