30055268923 has 4 divisors (see below), whose sum is σ = 30055803408. Its totient is φ = 30054734440.

The previous prime is 30055268911. The next prime is 30055268933. The reversal of 30055268923 is 32986255003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32986255003 = 13 ⋅2537404231.

It is a cyclic number.

It is not a de Polignac number, because 30055268923 - 2²⁵ = 30021714491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30055268923.

It is not an unprimeable number, because it can be changed into a prime (30055268933) 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, 171448 + ... + 299173.

It is an arithmetic number, because the mean of its divisors is an integer number (7513950852).

Almost surely, 2^30055268923 is an apocalyptic number.

30055268923 is a deficient number, since it is larger than the sum of its proper divisors (534485).

30055268923 is an equidigital number, since it uses as much as digits as its factorization.

30055268923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534484.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 30055268923 in words is "thirty billion, fifty-five million, two hundred sixty-eight thousand, nine hundred twenty-three".