30550520823 has 4 divisors (see below), whose sum is σ = 40734027768. Its totient is φ = 20367013880.

The previous prime is 30550520797. The next prime is 30550520851. The reversal of 30550520823 is 32802505503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30550520823 - 2¹⁰ = 30550519799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30550520893) 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, 5091753468 + ... + 5091753473.

It is an arithmetic number, because the mean of its divisors is an integer number (10183506942).

Almost surely, 2^30550520823 is an apocalyptic number.

30550520823 is a deficient number, since it is larger than the sum of its proper divisors (10183506945).

30550520823 is a wasteful number, since it uses less digits than its factorization.

30550520823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183506944.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 30550520823 in words is "thirty billion, five hundred fifty million, five hundred twenty thousand, eight hundred twenty-three".