123231120202321 has 8 divisors (see below), whose sum is σ = 123265558072040. Its totient is φ = 123196686144768.

The previous prime is 123231120202279. The next prime is 123231120202423. The reversal of 123231120202321 is 123202021132321.

It can be written as a sum of positive squares in 4 ways, for example, as 60026855290000 + 63204264912321 = 7747700^2 + 7950111^2 .

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 123231120202321 - 2¹¹ = 123231120200273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123231120202721) 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, 64331035 + ... + 66218911.

It is an arithmetic number, because the mean of its divisors is an integer number (15408194759005).

Almost surely, 2^{123231120202321} is an apocalyptic number.

It is an amenable number.

123231120202321 is a deficient number, since it is larger than the sum of its proper divisors (34437869719).

123231120202321 is a wasteful number, since it uses less digits than its factorization.

123231120202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906083.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123231120202321 its reverse (123202021132321), we get a palindrome (246433141334642).

The spelling of 123231120202321 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred twenty million, two hundred two thousand, three hundred twenty-one".