30013023 has 4 divisors (see below), whose sum is σ = 40017368. Its totient is φ = 20008680.

The previous prime is 30013003. The next prime is 30013033. The reversal of 30013023 is 32031003.

It is a happy number.

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

It is not a de Polignac number, because 30013023 - 2⁶ = 30012959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002168 + ... + 5002173.

It is an arithmetic number, because the mean of its divisors is an integer number (10004342).

Almost surely, 2^30013023 is an apocalyptic number.

30013023 is a deficient number, since it is larger than the sum of its proper divisors (10004345).

30013023 is a wasteful number, since it uses less digits than its factorization.

30013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004344.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30013023 is about 5478.4142778727. The cubic root of 30013023 is about 310.7682057454.

Adding to 30013023 its reverse (32031003), we get a palindrome (62044026).

The spelling of 30013023 in words is "thirty million, thirteen thousand, twenty-three".