1147041423 has 48 divisors (see below), whose sum is σ = 1868106240. Its totient is φ = 672235200.

The previous prime is 1147041421. The next prime is 1147041463. The reversal of 1147041423 is 3241407411.

It is a Cunningham number, because it is equal to 33868²-1.

It is not a de Polignac number, because 1147041423 - 2¹ = 1147041421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147041421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370998 + ... + 374076.

It is an arithmetic number, because the mean of its divisors is an integer number (38918880).

Almost surely, 2^1147041423 is an apocalyptic number.

1147041423 is a deficient number, since it is larger than the sum of its proper divisors (721064817).

1147041423 is a wasteful number, since it uses less digits than its factorization.

1147041423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1147041423 is about 33867.9999852368. Note that the first 4 decimals coincide. The cubic root of 1147041423 is about 1046.7903264558.

Adding to 1147041423 its reverse (3241407411), we get a palindrome (4388448834).

The spelling of 1147041423 in words is "one billion, one hundred forty-seven million, forty-one thousand, four hundred twenty-three".