47823623 has 4 divisors (see below), whose sum is σ = 48110160. Its totient is φ = 47537088.

The previous prime is 47823617. The next prime is 47823631. The reversal of 47823623 is 32632874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47823623 is a prime.

It is a super-2 number, since 2×47823623² = 4574197833692258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47822623) 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, 143018 + ... + 143351.

It is an arithmetic number, because the mean of its divisors is an integer number (12027540).

Almost surely, 2^47823623 is an apocalyptic number.

47823623 is a deficient number, since it is larger than the sum of its proper divisors (286537).

47823623 is a wasteful number, since it uses less digits than its factorization.

47823623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286536.

The product of its digits is 48384, while the sum is 35.

The square root of 47823623 is about 6915.4626020245. The cubic root of 47823623 is about 362.9784357312.

The spelling of 47823623 in words is "forty-seven million, eight hundred twenty-three thousand, six hundred twenty-three".