47523839 has 6 divisors (see below), whose sum is σ = 52237080. Its totient is φ = 43203380.

The previous prime is 47523767. The next prime is 47523859. The reversal of 47523839 is 93832574.

It is not a de Polignac number, because 47523839 - 2⁸ = 47523583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47523796 and 47523805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47523859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196259 + ... + 196500.

It is an arithmetic number, because the mean of its divisors is an integer number (8706180).

Almost surely, 2^47523839 is an apocalyptic number.

47523839 is a deficient number, since it is larger than the sum of its proper divisors (4713241).

47523839 is a wasteful number, since it uses less digits than its factorization.

47523839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392781 (or 392770 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 47523839 is about 6893.7536219392. The cubic root of 47523839 is about 362.2183978663.

The spelling of 47523839 in words is "forty-seven million, five hundred twenty-three thousand, eight hundred thirty-nine".