1049275823 has 4 divisors (see below), whose sum is σ = 1066477128. Its totient is φ = 1032074520.

The previous prime is 1049275807. The next prime is 1049275831. The reversal of 1049275823 is 3285729401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3285729401 = 31 ⋅105991271.

It is a cyclic number.

It is not a de Polignac number, because 1049275823 - 2⁴ = 1049275807 is a prime.

It is a super-2 number, since 2×1049275823² = 2201959505464654658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049272823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600561 + ... + 8600682.

It is an arithmetic number, because the mean of its divisors is an integer number (266619282).

Almost surely, 2^1049275823 is an apocalyptic number.

1049275823 is a deficient number, since it is larger than the sum of its proper divisors (17201305).

1049275823 is an equidigital number, since it uses as much as digits as its factorization.

1049275823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201304.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1049275823 is about 32392.5272709617. The cubic root of 1049275823 is about 1016.1626361337.

The spelling of 1049275823 in words is "one billion, forty-nine million, two hundred seventy-five thousand, eight hundred twenty-three".