11323143042 has 16 divisors (see below), whose sum is σ = 22647361152. Its totient is φ = 3774201840.

The previous prime is 11323143037. The next prime is 11323143071. The reversal of 11323143042 is 24034132311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175368 + ... + 231084.

It is an arithmetic number, because the mean of its divisors is an integer number (1415460072).

Almost surely, 2^11323143042 is an apocalyptic number.

11323143042 is an abundant number, since it is smaller than the sum of its proper divisors (11324218110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323143042 is a wasteful number, since it uses less digits than its factorization.

11323143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89593.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11323143042 its reverse (24034132311), we get a palindrome (35357275353).

The spelling of 11323143042 in words is "eleven billion, three hundred twenty-three million, one hundred forty-three thousand, forty-two".