232321220142 has 64 divisors (see below), whose sum is σ = 540925599744. Its totient is φ = 65737405440.

The previous prime is 232321220129. The next prime is 232321220147. The reversal of 232321220142 is 241022123232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321220147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672703 + ... + 957690.

It is an arithmetic number, because the mean of its divisors is an integer number (8451962496).

Almost surely, 2^232321220142 is an apocalyptic number.

232321220142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

232321220142 is an abundant number, since it is smaller than the sum of its proper divisors (308604379602).

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

232321220142 is a wasteful number, since it uses less digits than its factorization.

232321220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630553.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 232321220142 its reverse (241022123232), we get a palindrome (473343343374).

The spelling of 232321220142 in words is "two hundred thirty-two billion, three hundred twenty-one million, two hundred twenty thousand, one hundred forty-two".