421123044332 has 12 divisors (see below), whose sum is σ = 740458055736. Its totient is φ = 209563599840.

The previous prime is 421123044299. The next prime is 421123044347. The reversal of 421123044332 is 233440321124.

It is a junction number, because it is equal to n+sod(n) for n = 421123044295 and 421123044304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249479633 + ... + 249481320.

It is an arithmetic number, because the mean of its divisors is an integer number (61704837978).

Almost surely, 2^421123044332 is an apocalyptic number.

It is an amenable number.

421123044332 is a deficient number, since it is larger than the sum of its proper divisors (319335011404).

421123044332 is a wasteful number, since it uses less digits than its factorization.

421123044332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498961168 (or 498961166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 421123044332 its reverse (233440321124), we get a palindrome (654563365456).

The spelling of 421123044332 in words is "four hundred twenty-one billion, one hundred twenty-three million, forty-four thousand, three hundred thirty-two".