30123242423 has 2 divisors, whose sum is σ = 30123242424. Its totient is φ = 30123242422.

The previous prime is 30123242353. The next prime is 30123242449. The reversal of 30123242423 is 32424232103.

It is an a-pointer prime, because the next prime (30123242449) can be obtained adding 30123242423 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (32424232103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30123242423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123242392 and 30123242401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123242473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061621211 + 15061621212.

It is an arithmetic number, because the mean of its divisors is an integer number (15061621212).

Almost surely, 2^30123242423 is an apocalyptic number.

30123242423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123242423 is an equidigital number, since it uses as much as digits as its factorization.

30123242423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30123242423 its reverse (32424232103), we get a palindrome (62547474526).

The spelling of 30123242423 in words is "thirty billion, one hundred twenty-three million, two hundred forty-two thousand, four hundred twenty-three".