1312303213323 has 24 divisors (see below), whose sum is σ = 1901296160400. Its totient is φ = 872217149760.

The previous prime is 1312303213303. The next prime is 1312303213337. The reversal of 1312303213323 is 3233123032131.

1312303213323 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 0 + 321 + 332 + 3 = 666.

It is not a de Polignac number, because 1312303213323 - 2³³ = 1303713278731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312303213303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20890840 + ... + 20953562.

It is an arithmetic number, because the mean of its divisors is an integer number (79220673350).

Almost surely, 2^{1312303213323} is an apocalyptic number.

1312303213323 is a deficient number, since it is larger than the sum of its proper divisors (588992947077).

1312303213323 is a wasteful number, since it uses less digits than its factorization.

1312303213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69739 (or 69736 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1312303213323 its reverse (3233123032131), we get a palindrome (4545426245454).

The spelling of 1312303213323 in words is "one trillion, three hundred twelve billion, three hundred three million, two hundred thirteen thousand, three hundred twenty-three".