1163423544 has 32 divisors (see below), whose sum is σ = 2979501840. Its totient is φ = 378348800.

The previous prime is 1163423483. The next prime is 1163423549. The reversal of 1163423544 is 4453243611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163423549) 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, 590187 + ... + 592154.

Almost surely, 2^1163423544 is an apocalyptic number.

It is an amenable number.

1163423544 is an abundant number, since it is smaller than the sum of its proper divisors (1816078296).

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

1163423544 is a wasteful number, since it uses less digits than its factorization.

1163423544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182391 (or 1182387 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 1163423544 is about 34108.9950599545. The cubic root of 1163423544 is about 1051.7502310555.

The spelling of 1163423544 in words is "one billion, one hundred sixty-three million, four hundred twenty-three thousand, five hundred forty-four".