123321335332215 has 16 divisors (see below), whose sum is σ = 197336767104000. Its totient is φ = 65763835319712.

The previous prime is 123321335332213. The next prime is 123321335332241. The reversal of 123321335332215 is 512233533123321.

It is not a de Polignac number, because 123321335332215 - 2¹ = 123321335332213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321335332213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471335115 + ... + 471596684.

It is an arithmetic number, because the mean of its divisors is an integer number (12333547944000).

Almost surely, 2^{123321335332215} is an apocalyptic number.

123321335332215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123321335332215 is a deficient number, since it is larger than the sum of its proper divisors (74015431771785).

123321335332215 is an equidigital number, since it uses as much as digits as its factorization.

123321335332215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942940526.

The product of its digits is 291600, while the sum is 39.

Adding to 123321335332215 its reverse (512233533123321), we get a palindrome (635554868455536).

The spelling of 123321335332215 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred thirty-five million, three hundred thirty-two thousand, two hundred fifteen".