321423413 has 8 divisors (see below), whose sum is σ = 335613888. Its totient is φ = 307250944.

The previous prime is 321423391. The next prime is 321423433. The reversal of 321423413 is 314324123.

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 321423413 - 2¹⁰ = 321422389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321423433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42581 + ... + 49557.

It is an arithmetic number, because the mean of its divisors is an integer number (41951736).

Almost surely, 2^321423413 is an apocalyptic number.

It is an amenable number.

321423413 is a deficient number, since it is larger than the sum of its proper divisors (14190475).

321423413 is a wasteful number, since it uses less digits than its factorization.

321423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003.

The product of its digits is 1728, while the sum is 23.

The square root of 321423413 is about 17928.2852777392. The cubic root of 321423413 is about 685.0030461441.

Adding to 321423413 its reverse (314324123), we get a palindrome (635747536).

The spelling of 321423413 in words is "three hundred twenty-one million, four hundred twenty-three thousand, four hundred thirteen".