243321442233 has 16 divisors (see below), whose sum is σ = 325308984000. Its totient is φ = 161774645760.

The previous prime is 243321442223. The next prime is 243321442253. The reversal of 243321442233 is 332244123342.

It is not a de Polignac number, because 243321442233 - 2⁵ = 243321442201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243321442194 and 243321442203.

It is not an unprimeable number, because it can be changed into a prime (243321442223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729233 + ... + 1864641.

It is an arithmetic number, because the mean of its divisors is an integer number (20331811500).

Almost surely, 2^243321442233 is an apocalyptic number.

It is an amenable number.

243321442233 is a deficient number, since it is larger than the sum of its proper divisors (81987541767).

243321442233 is a wasteful number, since it uses less digits than its factorization.

243321442233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137032.

The product of its digits is 82944, while the sum is 33.

Adding to 243321442233 its reverse (332244123342), we get a palindrome (575565565575).

The spelling of 243321442233 in words is "two hundred forty-three billion, three hundred twenty-one million, four hundred forty-two thousand, two hundred thirty-three".