1211113313323 has 4 divisors (see below), whose sum is σ = 1233964507968. Its totient is φ = 1188262118680.

The previous prime is 1211113313299. The next prime is 1211113313327. The reversal of 1211113313323 is 3233133111121.

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 1211113313323 - 2¹³ = 1211113305131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211113313327) 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, 11425597243 + ... + 11425597348.

It is an arithmetic number, because the mean of its divisors is an integer number (308491126992).

Almost surely, 2^{1211113313323} is an apocalyptic number.

1211113313323 is a deficient number, since it is larger than the sum of its proper divisors (22851194645).

1211113313323 is an equidigital number, since it uses as much as digits as its factorization.

1211113313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22851194644.

The product of its digits is 972, while the sum is 25.

Adding to 1211113313323 its reverse (3233133111121), we get a palindrome (4444246424444).

The spelling of 1211113313323 in words is "one trillion, two hundred eleven billion, one hundred thirteen million, three hundred thirteen thousand, three hundred twenty-three".