232331620144 has 20 divisors (see below), whose sum is σ = 484768861696. Its totient is φ = 107229978432.

The previous prime is 232331620093. The next prime is 232331620207. The reversal of 232331620144 is 441026133232.

It is a happy 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, 558489264 + ... + 558489679.

Almost surely, 2^232331620144 is an apocalyptic number.

It is an amenable number.

232331620144 is an abundant number, since it is smaller than the sum of its proper divisors (252437241552).

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

232331620144 is a wasteful number, since it uses less digits than its factorization.

232331620144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116978964 (or 1116978958 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 232331620144 its reverse (441026133232), we get a palindrome (673357753376).

The spelling of 232331620144 in words is "two hundred thirty-two billion, three hundred thirty-one million, six hundred twenty thousand, one hundred forty-four".