123312320201 has 8 divisors (see below), whose sum is σ = 142381236480. Its totient is φ = 104606621568.

The previous prime is 123312320191. The next prime is 123312320213. The reversal of 123312320201 is 102023213321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123312320201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123312320401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90803681 + ... + 90805038.

It is an arithmetic number, because the mean of its divisors is an integer number (17797654560).

Almost surely, 2^123312320201 is an apocalyptic number.

It is an amenable number.

123312320201 is a deficient number, since it is larger than the sum of its proper divisors (19068916279).

123312320201 is an equidigital number, since it uses as much as digits as its factorization.

123312320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181608823.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123312320201 its reverse (102023213321), we get a palindrome (225335533522).

The spelling of 123312320201 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred twenty thousand, two hundred one".