306023147 has 4 divisors (see below), whose sum is σ = 311210040. Its totient is φ = 300836256.

The previous prime is 306023141. The next prime is 306023161. The reversal of 306023147 is 741320603.

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 306023147 - 2¹⁴ = 306006763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306023141) 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, 2593358 + ... + 2593475.

It is an arithmetic number, because the mean of its divisors is an integer number (77802510).

Almost surely, 2^306023147 is an apocalyptic number.

306023147 is a deficient number, since it is larger than the sum of its proper divisors (5186893).

306023147 is an equidigital number, since it uses as much as digits as its factorization.

306023147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186892.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 306023147 is about 17493.5172849830. The cubic root of 306023147 is about 673.8834009221.

The spelling of 306023147 in words is "three hundred six million, twenty-three thousand, one hundred forty-seven".