47748623 has 4 divisors (see below), whose sum is σ = 51421608. Its totient is φ = 44075640.

The previous prime is 47748599. The next prime is 47748629. The reversal of 47748623 is 32684774.

47748623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47748623 - 2⁸ = 47748367 is a prime.

It is a super-2 number, since 2×47748623² = 4559861996792258, 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 (47748629) 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 3 ways as a sum of consecutive naturals, for example, 1836473 + ... + 1836498.

It is an arithmetic number, because the mean of its divisors is an integer number (12855402).

Almost surely, 2^47748623 is an apocalyptic number.

47748623 is a deficient number, since it is larger than the sum of its proper divisors (3672985).

47748623 is a wasteful number, since it uses less digits than its factorization.

47748623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672984.

The product of its digits is 225792, while the sum is 41.

The square root of 47748623 is about 6910.0378436011. The cubic root of 47748623 is about 362.7885879495.

The spelling of 47748623 in words is "forty-seven million, seven hundred forty-eight thousand, six hundred twenty-three".