30420404323 has 4 divisors (see below), whose sum is σ = 30480882768. Its totient is φ = 30359925880.

The previous prime is 30420404257. The next prime is 30420404363. The reversal of 30420404323 is 32340402403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32340402403 = 73 ⋅443019211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30420404323 is a prime.

It is a super-3 number, since 3×30420404323³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30420404363) 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, 30238468 + ... + 30239473.

It is an arithmetic number, because the mean of its divisors is an integer number (7620220692).

Almost surely, 2^30420404323 is an apocalyptic number.

30420404323 is a deficient number, since it is larger than the sum of its proper divisors (60478445).

30420404323 is an equidigital number, since it uses as much as digits as its factorization.

30420404323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60478444.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 30420404323 its reverse (32340402403), we get a palindrome (62760806726).

The spelling of 30420404323 in words is "thirty billion, four hundred twenty million, four hundred four thousand, three hundred twenty-three".