1232231330440 has 32 divisors (see below), whose sum is σ = 3024567812160. Its totient is φ = 448084120000.

The previous prime is 1232231330371. The next prime is 1232231330441. The reversal of 1232231330440 is 440331322321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1232231330399 and 1232231330408.

It is not an unprimeable number, because it can be changed into a prime (1232231330441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400262436 + ... + 1400263315.

It is an arithmetic number, because the mean of its divisors is an integer number (94517744130).

Almost surely, 2^{1232231330440} is an apocalyptic number.

1232231330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232231330440 is an abundant number, since it is smaller than the sum of its proper divisors (1792336481720).

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

1232231330440 is a wasteful number, since it uses less digits than its factorization.

1232231330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800525773 (or 2800525769 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1232231330440 its reverse (440331322321), we get a palindrome (1672562652761).

The spelling of 1232231330440 in words is "one trillion, two hundred thirty-two billion, two hundred thirty-one million, three hundred thirty thousand, four hundred forty".