47663623 has 16 divisors (see below), whose sum is σ = 56320000. Its totient is φ = 40314456.

The previous prime is 47663621. The next prime is 47663701. The reversal of 47663623 is 32636674.

47663623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47663623 - 2¹ = 47663621 is a prime.

It is a super-2 number, since 2×47663623² = 4543641914972258, 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 (47663621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26218 + ... + 27976.

It is an arithmetic number, because the mean of its divisors is an integer number (3520000).

Almost surely, 2^47663623 is an apocalyptic number.

47663623 is a deficient number, since it is larger than the sum of its proper divisors (8656377).

47663623 is an equidigital number, since it uses as much as digits as its factorization.

47663623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1845 counting only the distinct ones).

The product of its digits is 108864, while the sum is 37.

The square root of 47663623 is about 6903.8846311334. The cubic root of 47663623 is about 362.5731866499.

The spelling of 47663623 in words is "forty-seven million, six hundred sixty-three thousand, six hundred twenty-three".