47443623 has 8 divisors (see below), whose sum is σ = 65439600. Its totient is φ = 30538368.

The previous prime is 47443603. The next prime is 47443631. The reversal of 47443623 is 32634474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47443623 - 2⁶ = 47443559 is a prime.

It is a super-2 number, since 2×47443623² = 4501794726732258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47443603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272578 + ... + 272751.

It is an arithmetic number, because the mean of its divisors is an integer number (8179950).

Almost surely, 2^47443623 is an apocalyptic number.

47443623 is a deficient number, since it is larger than the sum of its proper divisors (17995977).

47443623 is a wasteful number, since it uses less digits than its factorization.

47443623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545361.

The product of its digits is 48384, while the sum is 33.

The square root of 47443623 is about 6887.9331442748. The cubic root of 47443623 is about 362.0144856489.

The spelling of 47443623 in words is "forty-seven million, four hundred forty-three thousand, six hundred twenty-three".