47230387 has 4 divisors (see below), whose sum is σ = 47828320. Its totient is φ = 46632456.

The previous prime is 47230363. The next prime is 47230423. The reversal of 47230387 is 78303274.

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 47230387 - 2⁷ = 47230259 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47230087) 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, 298848 + ... + 299005.

It is an arithmetic number, because the mean of its divisors is an integer number (11957080).

Almost surely, 2^47230387 is an apocalyptic number.

47230387 is a deficient number, since it is larger than the sum of its proper divisors (597933).

47230387 is an equidigital number, since it uses as much as digits as its factorization.

47230387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597932.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 47230387 is about 6872.4367585304. The cubic root of 47230387 is about 361.4713114123.

The spelling of 47230387 in words is "forty-seven million, two hundred thirty thousand, three hundred eighty-seven".