421441423132 has 24 divisors (see below), whose sum is σ = 748094659200. Its totient is φ = 207701556720.

The previous prime is 421441423103. The next prime is 421441423153. The reversal of 421441423132 is 231324144124.

It is a happy number.

It is a super-2 number, since 2×421441423132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421441423094 and 421441423103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983103 + ... + 1345129.

It is an arithmetic number, because the mean of its divisors is an integer number (31170610800).

Almost surely, 2^421441423132 is an apocalyptic number.

It is an amenable number.

421441423132 is a deficient number, since it is larger than the sum of its proper divisors (326653236068).

421441423132 is a wasteful number, since it uses less digits than its factorization.

421441423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366201 (or 366199 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 421441423132 its reverse (231324144124), we get a palindrome (652765567256).

The spelling of 421441423132 in words is "four hundred twenty-one billion, four hundred forty-one million, four hundred twenty-three thousand, one hundred thirty-two".