1153430443 has 6 divisors (see below), whose sum is σ = 1267820372. Its totient is φ = 1048573020.

The previous prime is 1153430419. The next prime is 1153430449. The reversal of 1153430443 is 3440343511.

It is a de Polignac number, because none of the positive numbers 2^k-1153430443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153430449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4766121 + ... + 4766362.

Almost surely, 2^1153430443 is an apocalyptic number.

1153430443 is a deficient number, since it is larger than the sum of its proper divisors (114389929).

1153430443 is an equidigital number, since it uses as much as digits as its factorization.

1153430443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532505 (or 9532494 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1153430443 is about 33962.1913751159. The cubic root of 1153430443 is about 1048.7302695597.

Adding to 1153430443 its reverse (3440343511), we get a palindrome (4593773954).

The spelling of 1153430443 in words is "one billion, one hundred fifty-three million, four hundred thirty thousand, four hundred forty-three".