243121443032 has 16 divisors (see below), whose sum is σ = 490918298640. Its totient is φ = 112209896736.

The previous prime is 243121442989. The next prime is 243121443091. The reversal of 243121443032 is 230344121342.

It is a junction number, because it is equal to n+sod(n) for n = 243121442986 and 243121443004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168852988 + ... + 1168853195.

It is an arithmetic number, because the mean of its divisors is an integer number (30682393665).

Almost surely, 2^243121443032 is an apocalyptic number.

It is an amenable number.

243121443032 is an abundant number, since it is smaller than the sum of its proper divisors (247796855608).

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

243121443032 is a wasteful number, since it uses less digits than its factorization.

243121443032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337706202 (or 2337706198 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243121443032 its reverse (230344121342), we get a palindrome (473465564374).

The spelling of 243121443032 in words is "two hundred forty-three billion, one hundred twenty-one million, four hundred forty-three thousand, thirty-two".