321322023091 has 8 divisors (see below), whose sum is σ = 321984895904. Its totient is φ = 320659637760.

The previous prime is 321322022977. The next prime is 321322023119. The reversal of 321322023091 is 190320223123.

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 321322023091 - 2⁹ = 321322022579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321322023691) 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, 1212805 + ... + 1453801.

It is an arithmetic number, because the mean of its divisors is an integer number (40248111988).

Almost surely, 2^321322023091 is an apocalyptic number.

321322023091 is a deficient number, since it is larger than the sum of its proper divisors (662872813).

321322023091 is a wasteful number, since it uses less digits than its factorization.

321322023091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243741.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 321322023091 in words is "three hundred twenty-one billion, three hundred twenty-two million, twenty-three thousand, ninety-one".