1123103442 has 16 divisors (see below), whose sum is σ = 2269364832. Its totient is φ = 370508160.

The previous prime is 1123103441. The next prime is 1123103491. The reversal of 1123103442 is 2443013211.

It is a super-2 number, since 2×1123103442² = 2522722682864494728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123103441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964284 + ... + 965447.

It is an arithmetic number, because the mean of its divisors is an integer number (141835302).

Almost surely, 2^1123103442 is an apocalyptic number.

1123103442 is an abundant number, since it is smaller than the sum of its proper divisors (1146261390).

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

1123103442 is a wasteful number, since it uses less digits than its factorization.

1123103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929833.

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

The square root of 1123103442 is about 33512.7355195006. The cubic root of 1123103442 is about 1039.4571384061.

Adding to 1123103442 its reverse (2443013211), we get a palindrome (3566116653).

The spelling of 1123103442 in words is "one billion, one hundred twenty-three million, one hundred three thousand, four hundred forty-two".