232321223421 has 12 divisors (see below), whose sum is σ = 383514400672. Its totient is φ = 132754984776.

The previous prime is 232321223417. The next prime is 232321223473. The reversal of 232321223421 is 124322123232.

232321223421 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 212 + 23 + 421 = 666.

It is not a de Polignac number, because 232321223421 - 2² = 232321223417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321223021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1843819171 + ... + 1843819296.

Almost surely, 2^232321223421 is an apocalyptic number.

232321223421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232321223421 is a deficient number, since it is larger than the sum of its proper divisors (151193177251).

232321223421 is a wasteful number, since it uses less digits than its factorization.

232321223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687638480 (or 3687638477 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 232321223421 its reverse (124322123232), we get a palindrome (356643346653).

The spelling of 232321223421 in words is "two hundred thirty-two billion, three hundred twenty-one million, two hundred twenty-three thousand, four hundred twenty-one".