321423115115 has 4 divisors (see below), whose sum is σ = 385707738144. Its totient is φ = 257138492088.

The previous prime is 321423115099. The next prime is 321423115183. The reversal of 321423115115 is 511511324123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321423115115 - 2⁴ = 321423115099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32142311507 + ... + 32142311516.

It is an arithmetic number, because the mean of its divisors is an integer number (96426934536).

Almost surely, 2^321423115115 is an apocalyptic number.

321423115115 is a deficient number, since it is larger than the sum of its proper divisors (64284623029).

321423115115 is an equidigital number, since it uses as much as digits as its factorization.

321423115115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64284623028.

The product of its digits is 3600, while the sum is 29.

Adding to 321423115115 its reverse (511511324123), we get a palindrome (832934439238).

The spelling of 321423115115 in words is "three hundred twenty-one billion, four hundred twenty-three million, one hundred fifteen thousand, one hundred fifteen".