243033420223 has 24 divisors (see below), whose sum is σ = 267827983920. Its totient is φ = 220367980800.

The previous prime is 243033420211. The next prime is 243033420233. The reversal of 243033420223 is 322024330342.

It is not a de Polignac number, because 243033420223 - 2²¹ = 243031323071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243033420191 and 243033420200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243033420233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121698261 + ... + 121700257.

It is an arithmetic number, because the mean of its divisors is an integer number (11159499330).

Almost surely, 2^243033420223 is an apocalyptic number.

243033420223 is a deficient number, since it is larger than the sum of its proper divisors (24794563697).

243033420223 is a wasteful number, since it uses less digits than its factorization.

243033420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 243033420223 its reverse (322024330342), we get a palindrome (565057750565).

The spelling of 243033420223 in words is "two hundred forty-three billion, thirty-three million, four hundred twenty thousand, two hundred twenty-three".