323123421 has 8 divisors (see below), whose sum is σ = 434120544. Its totient is φ = 213770960.

The previous prime is 323123417. The next prime is 323123441. The reversal of 323123421 is 124321323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323123421 - 2² = 323123417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323123441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410706 + ... + 411491.

It is an arithmetic number, because the mean of its divisors is an integer number (54265068).

Almost surely, 2^323123421 is an apocalyptic number.

It is an amenable number.

323123421 is a deficient number, since it is larger than the sum of its proper divisors (110997123).

323123421 is a wasteful number, since it uses less digits than its factorization.

323123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822331.

The product of its digits is 864, while the sum is 21.

The square root of 323123421 is about 17975.6340917365. The cubic root of 323123421 is about 686.2085833379.

Adding to 323123421 its reverse (124321323), we get a palindrome (447444744).

The spelling of 323123421 in words is "three hundred twenty-three million, one hundred twenty-three thousand, four hundred twenty-one".