243120434032 has 20 divisors (see below), whose sum is σ = 538338104176. Its totient is φ = 104194471680.

The previous prime is 243120433993. The next prime is 243120434041. The reversal of 243120434032 is 230434021342.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1085358969 + ... + 1085359192.

Almost surely, 2^243120434032 is an apocalyptic number.

It is an amenable number.

243120434032 is an abundant number, since it is smaller than the sum of its proper divisors (295217670144).

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

243120434032 is a wasteful number, since it uses less digits than its factorization.

243120434032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170718176 (or 2170718170 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243120434032 its reverse (230434021342), we get a palindrome (473554455374).

The spelling of 243120434032 in words is "two hundred forty-three billion, one hundred twenty million, four hundred thirty-four thousand, thirty-two".