1231023230144 has 28 divisors (see below), whose sum is σ = 2508833665584. Its totient is φ = 598876164864.

The previous prime is 1231023230141. The next prime is 1231023230161. The reversal of 1231023230144 is 4410323201321.

It is not an unprimeable number, because it can be changed into a prime (1231023230141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259926524 + ... + 259931259.

Almost surely, 2^{1231023230144} is an apocalyptic number.

It is an amenable number.

1231023230144 is an abundant number, since it is smaller than the sum of its proper divisors (1277810435440).

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

1231023230144 is an equidigital number, since it uses as much as digits as its factorization.

1231023230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519857832 (or 519857822 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1231023230144 its reverse (4410323201321), we get a palindrome (5641346431465).

The spelling of 1231023230144 in words is "one trillion, two hundred thirty-one billion, twenty-three million, two hundred thirty thousand, one hundred forty-four".