243440234119 has 24 divisors (see below), whose sum is σ = 264002276160. Its totient is φ = 224282976192.

The previous prime is 243440234111. The next prime is 243440234143. The reversal of 243440234119 is 911432044342.

It is not a de Polignac number, because 243440234119 - 2³ = 243440234111 is a prime.

It is a super-2 number, since 2×243440234119² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243440234111) 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, 40375197 + ... + 40381225.

It is an arithmetic number, because the mean of its divisors is an integer number (11000094840).

Almost surely, 2^243440234119 is an apocalyptic number.

243440234119 is a deficient number, since it is larger than the sum of its proper divisors (20562042041).

243440234119 is a wasteful number, since it uses less digits than its factorization.

243440234119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127 (or 9108 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 243440234119 in words is "two hundred forty-three billion, four hundred forty million, two hundred thirty-four thousand, one hundred nineteen".