11312121323 has 2 divisors, whose sum is σ = 11312121324. Its totient is φ = 11312121322.

The previous prime is 11312121313. The next prime is 11312121329. The reversal of 11312121323 is 32312121311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11312121323 - 2³⁰ = 10238379499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11312121295 and 11312121304.

It is not a weakly prime, because it can be changed into another prime (11312121329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656060661 + 5656060662.

It is an arithmetic number, because the mean of its divisors is an integer number (5656060662).

Almost surely, 2^11312121323 is an apocalyptic number.

11312121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312121323 is an equidigital number, since it uses as much as digits as its factorization.

11312121323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

Adding to 11312121323 its reverse (32312121311), we get a palindrome (43624242634).

The spelling of 11312121323 in words is "eleven billion, three hundred twelve million, one hundred twenty-one thousand, three hundred twenty-three".