1130905423 has 8 divisors (see below), whose sum is σ = 1180416096. Its totient is φ = 1081423200.

The previous prime is 1130905387. The next prime is 1130905429. The reversal of 1130905423 is 3245090311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1130905423 - 2⁹ = 1130904911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130905391 and 1130905400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130905429) 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 7 ways as a sum of consecutive naturals, for example, 133453 + ... + 141673.

It is an arithmetic number, because the mean of its divisors is an integer number (147552012).

Almost surely, 2^1130905423 is an apocalyptic number.

1130905423 is a deficient number, since it is larger than the sum of its proper divisors (49510673).

1130905423 is an equidigital number, since it uses as much as digits as its factorization.

1130905423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14225.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1130905423 is about 33628.9372862123. The cubic root of 1130905423 is about 1041.8585550396.

Adding to 1130905423 its reverse (3245090311), we get a palindrome (4375995734).

The spelling of 1130905423 in words is "one billion, one hundred thirty million, nine hundred five thousand, four hundred twenty-three".