11142323239 has 2 divisors, whose sum is σ = 11142323240. Its totient is φ = 11142323238.

The previous prime is 11142323233. The next prime is 11142323249. The reversal of 11142323239 is 93232324111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93232324111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11142323239 - 2⁷ = 11142323111 is a prime.

It is a super-2 number, since 2×11142323239² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11142323239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142323233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571161619 + 5571161620.

It is an arithmetic number, because the mean of its divisors is an integer number (5571161620).

Almost surely, 2^11142323239 is an apocalyptic number.

11142323239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142323239 is an equidigital number, since it uses as much as digits as its factorization.

11142323239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The spelling of 11142323239 in words is "eleven billion, one hundred forty-two million, three hundred twenty-three thousand, two hundred thirty-nine".