11123223042 has 32 divisors (see below), whose sum is σ = 22396695552. Its totient is φ = 3682733904.

The previous prime is 11123223037. The next prime is 11123223061. The reversal of 11123223042 is 24032232111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626843 + ... + 1633665.

It is an arithmetic number, because the mean of its divisors is an integer number (699896736).

Almost surely, 2^11123223042 is an apocalyptic number.

11123223042 is an abundant number, since it is smaller than the sum of its proper divisors (11273472510).

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

11123223042 is a wasteful number, since it uses less digits than its factorization.

11123223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8622.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11123223042 its reverse (24032232111), we get a palindrome (35155455153).

The spelling of 11123223042 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, forty-two".