47823643 has 8 divisors (see below), whose sum is σ = 54764288. Its totient is φ = 40910184.

The previous prime is 47823631. The next prime is 47823667. The reversal of 47823643 is 34632874.

It is a happy number.

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

It is not a de Polignac number, because 47823643 - 2¹³ = 47815451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47823443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (6845536).

Almost surely, 2^47823643 is an apocalyptic number.

47823643 is a deficient number, since it is larger than the sum of its proper divisors (6940645).

47823643 is a wasteful number, since it uses less digits than its factorization.

47823643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593.

The product of its digits is 96768, while the sum is 37.

The square root of 47823643 is about 6915.4640480592. The cubic root of 47823643 is about 362.9784863308.

The spelling of 47823643 in words is "forty-seven million, eight hundred twenty-three thousand, six hundred forty-three".