30113123 has 2 divisors, whose sum is σ = 30113124. Its totient is φ = 30113122.

The previous prime is 30113113. The next prime is 30113131. The reversal of 30113123 is 32131103.

It is a strong prime.

It is an emirp because it is prime and its reverse (32131103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30113123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30113098 and 30113107.

It is not a weakly prime, because it can be changed into another prime (30113113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056561 + 15056562.

It is an arithmetic number, because the mean of its divisors is an integer number (15056562).

Almost surely, 2^30113123 is an apocalyptic number.

30113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113123 is an equidigital number, since it uses as much as digits as its factorization.

30113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 30113123 is about 5487.5425283090. The cubic root of 30113123 is about 311.1133156826.

Adding to 30113123 its reverse (32131103), we get a palindrome (62244226).

The spelling of 30113123 in words is "thirty million, one hundred thirteen thousand, one hundred twenty-three".