11323231442 has 4 divisors (see below), whose sum is σ = 16984847166. Its totient is φ = 5661615720.

The previous prime is 11323231379. The next prime is 11323231501. The reversal of 11323231442 is 24413232311.

11323231442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24413232311 = 13 ⋅1877940947.

It can be written as a sum of positive squares in only one way, i.e., 9227331481 + 2095899961 = 96059^2 + 45781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830807859 + ... + 2830807862.

Almost surely, 2^11323231442 is an apocalyptic number.

11323231442 is a deficient number, since it is larger than the sum of its proper divisors (5661615724).

11323231442 is an equidigital number, since it uses as much as digits as its factorization.

11323231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661615723.

The product of its digits is 3456, while the sum is 26.

Adding to 11323231442 its reverse (24413232311), we get a palindrome (35736463753).

The spelling of 11323231442 in words is "eleven billion, three hundred twenty-three million, two hundred thirty-one thousand, four hundred forty-two".