323321103421 has 4 divisors (see below), whose sum is σ = 323347820832. Its totient is φ = 323294386012.

The previous prime is 323321103407. The next prime is 323321103449. The reversal of 323321103421 is 124301123323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323321103421 - 2⁵ = 323321103389 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 (323321103481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340545 + ... + 13364758.

It is an arithmetic number, because the mean of its divisors is an integer number (80836955208).

Almost surely, 2^323321103421 is an apocalyptic number.

It is an amenable number.

323321103421 is a deficient number, since it is larger than the sum of its proper divisors (26717411).

323321103421 is a wasteful number, since it uses less digits than its factorization.

323321103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717410.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 323321103421 its reverse (124301123323), we get a palindrome (447622226744).

The spelling of 323321103421 in words is "three hundred twenty-three billion, three hundred twenty-one million, one hundred three thousand, four hundred twenty-one".