321223234020421 has 8 divisors (see below), whose sum is σ = 322678665550080. Its totient is φ = 319767936139392.

The previous prime is 321223234020383. The next prime is 321223234020427. The reversal of 321223234020421 is 124020432322123.

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 321223234020421 - 2²⁵ = 321223200465989 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 (321223234020427) 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, 28592716 + ... + 38209813.

It is an arithmetic number, because the mean of its divisors is an integer number (40334833193760).

Almost surely, 2^{321223234020421} is an apocalyptic number.

It is an amenable number.

321223234020421 is a deficient number, since it is larger than the sum of its proper divisors (1455431529659).

321223234020421 is a wasteful number, since it uses less digits than its factorization.

321223234020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66824315.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321223234020421 its reverse (124020432322123), we get a palindrome (445243666342544).

The spelling of 321223234020421 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, two hundred thirty-four million, twenty thousand, four hundred twenty-one".