30403243423 has 4 divisors (see below), whose sum is σ = 34746563920. Its totient is φ = 26059922928.

The previous prime is 30403243399. The next prime is 30403243441. The reversal of 30403243423 is 32434230403.

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 30403243423 - 2²¹ = 30401146271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30403243391 and 30403243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403243223) 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, 2171660238 + ... + 2171660251.

It is an arithmetic number, because the mean of its divisors is an integer number (8686640980).

Almost surely, 2^30403243423 is an apocalyptic number.

30403243423 is a deficient number, since it is larger than the sum of its proper divisors (4343320497).

30403243423 is an equidigital number, since it uses as much as digits as its factorization.

30403243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343320496.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30403243423 its reverse (32434230403), we get a palindrome (62837473826).

The spelling of 30403243423 in words is "thirty billion, four hundred three million, two hundred forty-three thousand, four hundred twenty-three".