421223526232 has 16 divisors (see below), whose sum is σ = 789805018800. Its totient is φ = 210608854560.

The previous prime is 421223526221. The next prime is 421223526247. The reversal of 421223526232 is 232625322124.

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, 329682 + ... + 975262.

It is an arithmetic number, because the mean of its divisors is an integer number (49362813675).

Almost surely, 2^421223526232 is an apocalyptic number.

It is an amenable number.

421223526232 is a deficient number, since it is larger than the sum of its proper divisors (368581492568).

421223526232 is a wasteful number, since it uses less digits than its factorization.

421223526232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727146 (or 727142 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

Adding to 421223526232 its reverse (232625322124), we get a palindrome (653848848356).

The spelling of 421223526232 in words is "four hundred twenty-one billion, two hundred twenty-three million, five hundred twenty-six thousand, two hundred thirty-two".