1312210320323 has 8 divisors (see below), whose sum is σ = 1499701377120. Its totient is φ = 1124727373440.

The previous prime is 1312210320319. The next prime is 1312210320347. The reversal of 1312210320323 is 3230230122131.

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 1312210320323 - 2² = 1312210320319 is a prime.

It is a super-4 number, since 4×1312210320323⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312210320353) 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, 1676708 + ... + 2331473.

It is an arithmetic number, because the mean of its divisors is an integer number (187462672140).

Almost surely, 2^{1312210320323} is an apocalyptic number.

1312210320323 is a deficient number, since it is larger than the sum of its proper divisors (187491056797).

1312210320323 is an equidigital number, since it uses as much as digits as its factorization.

1312210320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054957.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1312210320323 its reverse (3230230122131), we get a palindrome (4542440442454).

The spelling of 1312210320323 in words is "one trillion, three hundred twelve billion, two hundred ten million, three hundred twenty thousand, three hundred twenty-three".