1081917323 has 8 divisors (see below), whose sum is σ = 1149310800. Its totient is φ = 1015568928.

The previous prime is 1081917311. The next prime is 1081917371. The reversal of 1081917323 is 3237191801.

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 1081917323 - 2¹⁰ = 1081916299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081917623) 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, 259136 + ... + 263277.

It is an arithmetic number, because the mean of its divisors is an integer number (143663850).

Almost surely, 2^1081917323 is an apocalyptic number.

1081917323 is a deficient number, since it is larger than the sum of its proper divisors (67393477).

1081917323 is a wasteful number, since it uses less digits than its factorization.

1081917323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522541.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1081917323 is about 32892.5116553905. The cubic root of 1081917323 is about 1026.5923528157.

The spelling of 1081917323 in words is "one billion, eighty-one million, nine hundred seventeen thousand, three hundred twenty-three".