30304042123 has 2 divisors, whose sum is σ = 30304042124. Its totient is φ = 30304042122.

The previous prime is 30304042079. The next prime is 30304042151. The reversal of 30304042123 is 32124040303.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30304042123 - 2¹³ = 30304033931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30304042094 and 30304042103.

It is not a weakly prime, because it can be changed into another prime (30304042163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152021061 + 15152021062.

It is an arithmetic number, because the mean of its divisors is an integer number (15152021062).

Almost surely, 2^30304042123 is an apocalyptic number.

30304042123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30304042123 is an equidigital number, since it uses as much as digits as its factorization.

30304042123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30304042123 its reverse (32124040303), we get a palindrome (62428082426).

The spelling of 30304042123 in words is "thirty billion, three hundred four million, forty-two thousand, one hundred twenty-three".