30123242449 has 2 divisors, whose sum is σ = 30123242450. Its totient is φ = 30123242448.

The previous prime is 30123242423. The next prime is 30123242473. The reversal of 30123242449 is 94424232103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27602499600 + 2520742849 = 166140^2 + 50207^2 .

It is an emirp because it is prime and its reverse (94424232103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30123242449 - 2⁹ = 30123241937 is a prime.

It is not a weakly prime, because it can be changed into another prime (30123242549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061621224 + 15061621225.

It is an arithmetic number, because the mean of its divisors is an integer number (15061621225).

Almost surely, 2^30123242449 is an apocalyptic number.

It is an amenable number.

30123242449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123242449 is an equidigital number, since it uses as much as digits as its factorization.

30123242449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 30123242449 in words is "thirty billion, one hundred twenty-three million, two hundred forty-two thousand, four hundred forty-nine".