1123422340 has 12 divisors (see below), whose sum is σ = 2359186956. Its totient is φ = 449368928.

The previous prime is 1123422337. The next prime is 1123422359. The reversal of 1123422340 is 432243211.

It can be written as a sum of positive squares in 2 ways, for example, as 131928196 + 991494144 = 11486^2 + 31488^2 .

It is a super-2 number, since 2×1123422340² = 2524155508022151200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28085539 + ... + 28085578.

It is an arithmetic number, because the mean of its divisors is an integer number (196598913).

Almost surely, 2^1123422340 is an apocalyptic number.

1123422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123422340 is an abundant number, since it is smaller than the sum of its proper divisors (1235764616).

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

1123422340 is a wasteful number, since it uses less digits than its factorization.

1123422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56171126 (or 56171124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1123422340 is about 33517.4930446774. The cubic root of 1123422340 is about 1039.5555114859. Note that the first 4 decimals are identical.

Adding to 1123422340 its reverse (432243211), we get a palindrome (1555665551).

The spelling of 1123422340 in words is "one billion, one hundred twenty-three million, four hundred twenty-two thousand, three hundred forty".