243422031320 has 32 divisors (see below), whose sum is σ = 589830307920. Its totient is φ = 89878903680.

The previous prime is 243422031301. The next prime is 243422031341. The reversal of 243422031320 is 23130224342.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 243422031320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234059126 + ... + 234060165.

Almost surely, 2^243422031320 is an apocalyptic number.

243422031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243422031320 is an abundant number, since it is smaller than the sum of its proper divisors (346408276600).

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

243422031320 is a wasteful number, since it uses less digits than its factorization.

243422031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468119315 (or 468119311 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243422031320 its reverse (23130224342), we get a palindrome (266552255662).

The spelling of 243422031320 in words is "two hundred forty-three billion, four hundred twenty-two million, thirty-one thousand, three hundred twenty".