1072796823 has 48 divisors (see below), whose sum is σ = 1808002560. Its totient is φ = 600291648.

The previous prime is 1072796807. The next prime is 1072796839. The reversal of 1072796823 is 3286972701.

It is an interprime number because it is at equal distance from previous prime (1072796807) and next prime (1072796839).

It is not a de Polignac number, because 1072796823 - 2⁴ = 1072796807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072796423) 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 47 ways as a sum of consecutive naturals, for example, 1475286 + ... + 1476012.

It is an arithmetic number, because the mean of its divisors is an integer number (37666720).

Almost surely, 2^1072796823 is an apocalyptic number.

1072796823 is a deficient number, since it is larger than the sum of its proper divisors (735205737).

1072796823 is a wasteful number, since it uses less digits than its factorization.

1072796823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1072796823 is about 32753.5772550114. The cubic root of 1072796823 is about 1023.6995040996.

The spelling of 1072796823 in words is "one billion, seventy-two million, seven hundred ninety-six thousand, eight hundred twenty-three".