312121112001323 has 8 divisors (see below), whose sum is σ = 316964780955648. Its totient is φ = 307292795406144.

The previous prime is 312121112001313. The next prime is 312121112001353. The reversal of 312121112001323 is 323100211121213.

It is a happy number.

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-312121112001323 is a prime.

It is a super-3 number, since 3×312121112001323³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312121112001313) 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, 3838048811 + ... + 3838130132.

It is an arithmetic number, because the mean of its divisors is an integer number (39620597619456).

Almost surely, 2^{312121112001323} is an apocalyptic number.

312121112001323 is a deficient number, since it is larger than the sum of its proper divisors (4843668954325).

312121112001323 is an equidigital number, since it uses as much as digits as its factorization.

312121112001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676179573.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312121112001323 its reverse (323100211121213), we get a palindrome (635221323122536).

The spelling of 312121112001323 in words is "three hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, one thousand, three hundred twenty-three".