47239023 has 16 divisors (see below), whose sum is σ = 68062176. Its totient is φ = 28970880.

The previous prime is 47239021. The next prime is 47239037. The reversal of 47239023 is 32093274.

It is not a de Polignac number, because 47239023 - 2¹ = 47239021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47239021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10453 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (4253886).

Almost surely, 2^47239023 is an apocalyptic number.

47239023 is a deficient number, since it is larger than the sum of its proper divisors (20823153).

47239023 is a wasteful number, since it uses less digits than its factorization.

47239023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 47239023 is about 6873.0650367940. The cubic root of 47239023 is about 361.4933415515.

The spelling of 47239023 in words is "forty-seven million, two hundred thirty-nine thousand, twenty-three".