1089176423 has 4 divisors (see below), whose sum is σ = 1104517008. Its totient is φ = 1073835840.

The previous prime is 1089176329. The next prime is 1089176443. The reversal of 1089176423 is 3246719801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089176423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089176443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7670186 + ... + 7670327.

It is an arithmetic number, because the mean of its divisors is an integer number (276129252).

Almost surely, 2^1089176423 is an apocalyptic number.

1089176423 is a deficient number, since it is larger than the sum of its proper divisors (15340585).

1089176423 is an equidigital number, since it uses as much as digits as its factorization.

1089176423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340584.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1089176423 is about 33002.6729675037. The cubic root of 1089176423 is about 1028.8832030778.

The spelling of 1089176423 in words is "one billion, eighty-nine million, one hundred seventy-six thousand, four hundred twenty-three".