243112032234 has 48 divisors (see below), whose sum is σ = 570001828032. Its totient is φ = 77513977728.

The previous prime is 243112032217. The next prime is 243112032239. The reversal of 243112032234 is 432230211342.

243112032234 is a `hidden beast` number, since 2 + 4 + 311 + 20 + 322 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243112032198 and 243112032207.

It is not an unprimeable number, because it can be changed into a prime (243112032239) 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, 10863399 + ... + 10885754.

It is an arithmetic number, because the mean of its divisors is an integer number (11875038084).

Almost surely, 2^243112032234 is an apocalyptic number.

243112032234 is an abundant number, since it is smaller than the sum of its proper divisors (326889795798).

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

243112032234 is a wasteful number, since it uses less digits than its factorization.

243112032234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21749193 (or 21749181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243112032234 its reverse (432230211342), we get a palindrome (675342243576).

The spelling of 243112032234 in words is "two hundred forty-three billion, one hundred twelve million, thirty-two thousand, two hundred thirty-four".