1312200102323 has 4 divisors (see below), whose sum is σ = 1431491020728. Its totient is φ = 1192909183920.

The previous prime is 1312200102319. The next prime is 1312200102371. The reversal of 1312200102323 is 3232010022131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312200102323 - 2² = 1312200102319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312200102295 and 1312200102304.

It is not an unprimeable number, because it can be changed into a prime (1312200102313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59645459186 + ... + 59645459207.

It is an arithmetic number, because the mean of its divisors is an integer number (357872755182).

Almost surely, 2^{1312200102323} is an apocalyptic number.

1312200102323 is a deficient number, since it is larger than the sum of its proper divisors (119290918405).

1312200102323 is a wasteful number, since it uses less digits than its factorization.

1312200102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119290918404.

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

Adding to 1312200102323 its reverse (3232010022131), we get a palindrome (4544210124454).

The spelling of 1312200102323 in words is "one trillion, three hundred twelve billion, two hundred million, one hundred two thousand, three hundred twenty-three".