47823615 has 48 divisors (see below), whose sum is σ = 98262528. Its totient is φ = 21858336.

The previous prime is 47823599. The next prime is 47823617. The reversal of 47823615 is 51632874.

It is not a de Polignac number, because 47823615 - 2⁴ = 47823599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47823615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47823617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5694 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (2047136).

Almost surely, 2^47823615 is an apocalyptic number.

47823615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47823615 is an abundant number, since it is smaller than the sum of its proper divisors (50438913).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47823615 is an equidigital number, since it uses as much as digits as its factorization.

47823615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650 (or 5638 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47823615 is about 6915.4620236106. The cubic root of 47823615 is about 362.9784154914.

The spelling of 47823615 in words is "forty-seven million, eight hundred twenty-three thousand, six hundred fifteen".