47161523 has 8 divisors (see below), whose sum is σ = 49284096. Its totient is φ = 45045000.

The previous prime is 47161507. The next prime is 47161579. The reversal of 47161523 is 32516174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47161523 - 2⁴ = 47161507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47161123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23198 + ... + 25148.

It is an arithmetic number, because the mean of its divisors is an integer number (6160512).

Almost surely, 2^47161523 is an apocalyptic number.

47161523 is a deficient number, since it is larger than the sum of its proper divisors (2122573).

47161523 is a wasteful number, since it uses less digits than its factorization.

47161523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025.

The product of its digits is 5040, while the sum is 29.

The square root of 47161523 is about 6867.4247720670. The cubic root of 47161523 is about 361.2955455560.

Adding to 47161523 its reverse (32516174), we get a palindrome (79677697).

The spelling of 47161523 in words is "forty-seven million, one hundred sixty-one thousand, five hundred twenty-three".