243320231354 has 16 divisors (see below), whose sum is σ = 384829126080. Its totient is φ = 115065165600.

The previous prime is 243320231347. The next prime is 243320231369. The reversal of 243320231354 is 453132023342.

It is a self number, because there is not a number n which added to its sum of digits gives 243320231354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304254 + ... + 5349929.

It is an arithmetic number, because the mean of its divisors is an integer number (24051820380).

Almost surely, 2^243320231354 is an apocalyptic number.

243320231354 is a deficient number, since it is larger than the sum of its proper divisors (141508894726).

243320231354 is a wasteful number, since it uses less digits than its factorization.

243320231354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654805.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 243320231354 its reverse (453132023342), we get a palindrome (696452254696).

The spelling of 243320231354 in words is "two hundred forty-three billion, three hundred twenty million, two hundred thirty-one thousand, three hundred fifty-four".