1123783938 has 24 divisors (see below), whose sum is σ = 2442808368. Its totient is φ = 373372632.

The previous prime is 1123783919. The next prime is 1123783949. The reversal of 1123783938 is 8393873211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1123783893 and 1123783902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96156 + ... + 107207.

It is an arithmetic number, because the mean of its divisors is an integer number (101783682).

Almost surely, 2^1123783938 is an apocalyptic number.

1123783938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1123783938 is an abundant number, since it is smaller than the sum of its proper divisors (1319024430).

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

1123783938 is a wasteful number, since it uses less digits than its factorization.

1123783938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203678 (or 203675 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 1123783938 is about 33522.8867790350. The cubic root of 1123783938 is about 1039.6670340650.

The spelling of 1123783938 in words is "one billion, one hundred twenty-three million, seven hundred eighty-three thousand, nine hundred thirty-eight".