321201112301023 has 4 divisors (see below), whose sum is σ = 321227629370208. Its totient is φ = 321174595231840.

The previous prime is 321201112300979. The next prime is 321201112301051. The reversal of 321201112301023 is 320103211102123.

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 321201112301023 - 2²⁵ = 321201078746591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321201112300985 and 321201112301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321201112301123) 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, 13258516423 + ... + 13258540648.

It is an arithmetic number, because the mean of its divisors is an integer number (80306907342552).

Almost surely, 2^{321201112301023} is an apocalyptic number.

321201112301023 is a deficient number, since it is larger than the sum of its proper divisors (26517069185).

321201112301023 is a wasteful number, since it uses less digits than its factorization.

321201112301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26517069184.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321201112301023 its reverse (320103211102123), we get a palindrome (641304323403146).

The spelling of 321201112301023 in words is "three hundred twenty-one trillion, two hundred one billion, one hundred twelve million, three hundred one thousand, twenty-three".