243400230554 has 64 divisors (see below), whose sum is σ = 415035519360. Its totient is φ = 106314405120.

The previous prime is 243400230553. The next prime is 243400230581. The reversal of 243400230554 is 455032004342.

243400230554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243400230554.

It is not an unprimeable number, because it can be changed into a prime (243400230553) 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 31 ways as a sum of consecutive naturals, for example, 4542632 + ... + 4595900.

It is an arithmetic number, because the mean of its divisors is an integer number (6484929990).

Almost surely, 2^243400230554 is an apocalyptic number.

243400230554 is a deficient number, since it is larger than the sum of its proper divisors (171635288806).

243400230554 is a wasteful number, since it uses less digits than its factorization.

243400230554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53455.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 243400230554 its reverse (455032004342), we get a palindrome (698432234896).

The spelling of 243400230554 in words is "two hundred forty-three billion, four hundred million, two hundred thirty thousand, five hundred fifty-four".