1001116923 has 4 divisors (see below), whose sum is σ = 1334822568. Its totient is φ = 667411280.

The previous prime is 1001116903. The next prime is 1001116943. The reversal of 1001116923 is 3296111001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3296111001 = 3 ⋅1098703667.

It is an interprime number because it is at equal distance from previous prime (1001116903) and next prime (1001116943).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001116923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001116893 and 1001116902.

It is not an unprimeable number, because it can be changed into a prime (1001116903) 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, 166852818 + ... + 166852823.

It is an arithmetic number, because the mean of its divisors is an integer number (333705642).

Almost surely, 2^1001116923 is an apocalyptic number.

1001116923 is a deficient number, since it is larger than the sum of its proper divisors (333705645).

1001116923 is an equidigital number, since it uses as much as digits as its factorization.

1001116923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333705644.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1001116923 is about 31640.4317764470. The cubic root of 1001116923 is about 1000.3721691396.

Adding to 1001116923 its reverse (3296111001), we get a palindrome (4297227924).

The spelling of 1001116923 in words is "one billion, one million, one hundred sixteen thousand, nine hundred twenty-three".