1163123424 has 144 divisors (see below), whose sum is σ = 3417785280. Its totient is φ = 374968320.

The previous prime is 1163123389. The next prime is 1163123443. The reversal of 1163123424 is 4243213611.

It is a happy number.

1163123424 is a `hidden beast` number, since 1 + 1 + 6 + 312 + 342 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1617337 + ... + 1618055.

It is an arithmetic number, because the mean of its divisors is an integer number (23734620).

Almost surely, 2^1163123424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163123424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708892640).

1163123424 is an abundant number, since it is smaller than the sum of its proper divisors (2254661856).

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

1163123424 is a wasteful number, since it uses less digits than its factorization.

1163123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 902 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1163123424 is about 34104.5953501870. The cubic root of 1163123424 is about 1051.6597857982.

The spelling of 1163123424 in words is "one billion, one hundred sixty-three million, one hundred twenty-three thousand, four hundred twenty-four".