1047808823 has 4 divisors (see below), whose sum is σ = 1048014288. Its totient is φ = 1047603360.

The previous prime is 1047808799. The next prime is 1047808843. The reversal of 1047808823 is 3288087401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3288087401 = 617 ⋅5329153.

It is a cyclic number.

It is not a de Polignac number, because 1047808823 - 2⁶ = 1047808759 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 (1047808843) 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, 94883 + ... + 105348.

It is an arithmetic number, because the mean of its divisors is an integer number (262003572).

Almost surely, 2^1047808823 is an apocalyptic number.

1047808823 is a deficient number, since it is larger than the sum of its proper divisors (205465).

1047808823 is an equidigital number, since it uses as much as digits as its factorization.

1047808823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205464.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1047808823 is about 32369.8752391788. The cubic root of 1047808823 is about 1015.6888471900.

The spelling of 1047808823 in words is "one billion, forty-seven million, eight hundred eight thousand, eight hundred twenty-three".