243123224502 has 16 divisors (see below), whose sum is σ = 486286441920. Its totient is φ = 81034409352.

The previous prime is 243123224501. The next prime is 243123224527. The reversal of 243123224502 is 205422321342.

It is a self number, because there is not a number n which added to its sum of digits gives 243123224502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243123224501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587052 + ... + 1733487.

It is an arithmetic number, because the mean of its divisors is an integer number (30392902620).

Almost surely, 2^243123224502 is an apocalyptic number.

243123224502 is an abundant number, since it is smaller than the sum of its proper divisors (243163217418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243123224502 is a wasteful number, since it uses less digits than its factorization.

243123224502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332747.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243123224502 its reverse (205422321342), we get a palindrome (448545545844).

The spelling of 243123224502 in words is "two hundred forty-three billion, one hundred twenty-three million, two hundred twenty-four thousand, five hundred two".