421123031024 has 20 divisors (see below), whose sum is σ = 842246063040. Its totient is φ = 203769208320.

The previous prime is 421123031011. The next prime is 421123031047. The reversal of 421123031024 is 420130321124.

421123031024 is an admirable number.

It is a congruent number.

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, 424518689 + ... + 424519680.

It is an arithmetic number, because the mean of its divisors is an integer number (42112303152).

Almost surely, 2^421123031024 is an apocalyptic number.

It is an amenable number.

421123031024 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421123031024 is a wasteful number, since it uses less digits than its factorization.

421123031024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849038408 (or 849038402 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 421123031024 its reverse (420130321124), we get a palindrome (841253352148).

The spelling of 421123031024 in words is "four hundred twenty-one billion, one hundred twenty-three million, thirty-one thousand, twenty-four".