30385023 has 4 divisors (see below), whose sum is σ = 40513368. Its totient is φ = 20256680.

The previous prime is 30385021. The next prime is 30385027. The reversal of 30385023 is 32058303.

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

It is a cyclic number.

It is not a de Polignac number, because 30385023 - 2¹ = 30385021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30384984 and 30385002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30385021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5064168 + ... + 5064173.

It is an arithmetic number, because the mean of its divisors is an integer number (10128342).

Almost surely, 2^30385023 is an apocalyptic number.

30385023 is a deficient number, since it is larger than the sum of its proper divisors (10128345).

30385023 is a wasteful number, since it uses less digits than its factorization.

30385023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128344.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30385023 is about 5512.2611512881. The cubic root of 30385023 is about 312.0468884988.

The spelling of 30385023 in words is "thirty million, three hundred eighty-five thousand, twenty-three".