30023113 has 4 divisors (see below), whose sum is σ = 30039940. Its totient is φ = 30006288.

The previous prime is 30023107. The next prime is 30023137. The reversal of 30023113 is 31132003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 7011904 = 4797^2 + 2648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30023113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30023093 and 30023102.

It is not an unprimeable number, because it can be changed into a prime (30029113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (7509985).

Almost surely, 2^30023113 is an apocalyptic number.

It is an amenable number.

30023113 is a deficient number, since it is larger than the sum of its proper divisors (16827).

30023113 is a wasteful number, since it uses less digits than its factorization.

30023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16826.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30023113 is about 5479.3350873988. The cubic root of 30023113 is about 310.8030272946.

Adding to 30023113 its reverse (31132003), we get a palindrome (61155116).

The spelling of 30023113 in words is "thirty million, twenty-three thousand, one hundred thirteen".