47023238 has 4 divisors (see below), whose sum is σ = 70534860. Its totient is φ = 23511618.

The previous prime is 47023237. The next prime is 47023267. The reversal of 47023238 is 83232074.

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

It is a super-2 number, since 2×47023238² = 4422369824009288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47023238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47023237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11755808 + ... + 11755811.

It is an arithmetic number, because the mean of its divisors is an integer number (17633715).

Almost surely, 2^47023238 is an apocalyptic number.

47023238 is a deficient number, since it is larger than the sum of its proper divisors (23511622).

47023238 is a wasteful number, since it uses less digits than its factorization.

47023238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23511621.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 47023238 is about 6857.3491963003. The cubic root of 47023238 is about 360.9420747395.

The spelling of 47023238 in words is "forty-seven million, twenty-three thousand, two hundred thirty-eight".