1311020002323 has 12 divisors (see below), whose sum is σ = 1958995406160. Its totient is φ = 843874943856.

The previous prime is 1311020002291. The next prime is 1311020002399. The reversal of 1311020002323 is 3232000201131.

1311020002323 is a `hidden beast` number, since 131 + 10 + 200 + 0 + 2 + 323 = 666.

It is not a de Polignac number, because 1311020002323 - 2⁵ = 1311020002291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311020002296 and 1311020002305.

It is not an unprimeable number, because it can be changed into a prime (1311020003323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2511532311 + ... + 2511532832.

It is an arithmetic number, because the mean of its divisors is an integer number (163249617180).

Almost surely, 2^{1311020002323} is an apocalyptic number.

1311020002323 is a deficient number, since it is larger than the sum of its proper divisors (647975403837).

1311020002323 is a wasteful number, since it uses less digits than its factorization.

1311020002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023065178 (or 5023065175 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1311020002323 its reverse (3232000201131), we get a palindrome (4543020203454).

The spelling of 1311020002323 in words is "one trillion, three hundred eleven billion, twenty million, two thousand, three hundred twenty-three".