1156352423 has 8 divisors (see below), whose sum is σ = 1168965168. Its totient is φ = 1143753984.

The previous prime is 1156352419. The next prime is 1156352441. The reversal of 1156352423 is 3242536511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1156352423 - 2² = 1156352419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156352423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156352443) 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, 269765 + ... + 274017.

It is an arithmetic number, because the mean of its divisors is an integer number (146120646).

Almost surely, 2^1156352423 is an apocalyptic number.

1156352423 is a deficient number, since it is larger than the sum of its proper divisors (12612745).

1156352423 is an equidigital number, since it uses as much as digits as its factorization.

1156352423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153.

The product of its digits is 21600, while the sum is 32.

The square root of 1156352423 is about 34005.1822962324. The cubic root of 1156352423 is about 1049.6151039759.

Adding to 1156352423 its reverse (3242536511), we get a palindrome (4398888934).

The spelling of 1156352423 in words is "one billion, one hundred fifty-six million, three hundred fifty-two thousand, four hundred twenty-three".