421023112032 has 24 divisors (see below), whose sum is σ = 1105185669336. Its totient is φ = 140341037312.

The previous prime is 421023112001. The next prime is 421023112039. The reversal of 421023112032 is 230211320124.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-4 number, since 4×421023112032⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421023112039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192828613 + ... + 2192828804.

It is an arithmetic number, because the mean of its divisors is an integer number (46049402889).

Almost surely, 2^421023112032 is an apocalyptic number.

It is an amenable number.

421023112032 is an abundant number, since it is smaller than the sum of its proper divisors (684162557304).

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

421023112032 is a wasteful number, since it uses less digits than its factorization.

421023112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385657430 (or 4385657422 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 421023112032 its reverse (230211320124), we get a palindrome (651234432156).

The spelling of 421023112032 in words is "four hundred twenty-one billion, twenty-three million, one hundred twelve thousand, thirty-two".