132313223421 has 24 divisors (see below), whose sum is σ = 192713356160. Its totient is φ = 87475381056.

The previous prime is 132313223333. The next prime is 132313223429. The reversal of 132313223421 is 124322313231.

132313223421 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 13 + 223 + 421 = 666.

It is not a de Polignac number, because 132313223421 - 2¹⁰ = 132313222397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132313223429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571740 + ... + 769098.

Almost surely, 2^132313223421 is an apocalyptic number.

It is an amenable number.

132313223421 is a deficient number, since it is larger than the sum of its proper divisors (60400132739).

132313223421 is a wasteful number, since it uses less digits than its factorization.

132313223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197985 (or 197982 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 132313223421 its reverse (124322313231), we get a palindrome (256635536652).

The spelling of 132313223421 in words is "one hundred thirty-two billion, three hundred thirteen million, two hundred twenty-three thousand, four hundred twenty-one".