1232320540142 has 8 divisors (see below), whose sum is σ = 1848491442336. Its totient is φ = 616156726032.

The previous prime is 1232320540127. The next prime is 1232320540147. The reversal of 1232320540142 is 2410450232321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1232320540142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232320540147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313663 + ... + 2047034.

It is an arithmetic number, because the mean of its divisors is an integer number (231061430292).

Almost surely, 2^{1232320540142} is an apocalyptic number.

1232320540142 is a deficient number, since it is larger than the sum of its proper divisors (616170902194).

1232320540142 is a wasteful number, since it uses less digits than its factorization.

1232320540142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544042.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1232320540142 its reverse (2410450232321), we get a palindrome (3642770772463).

The spelling of 1232320540142 in words is "one trillion, two hundred thirty-two billion, three hundred twenty million, five hundred forty thousand, one hundred forty-two".