47161323 has 48 divisors (see below), whose sum is σ = 77955072. Its totient is φ = 27442800.

The previous prime is 47161319. The next prime is 47161333. The reversal of 47161323 is 32316174.

47161323 is a `hidden beast` number, since 47 + 1 + 613 + 2 + 3 = 666.

It is not a de Polignac number, because 47161323 - 2² = 47161319 is a prime.

It is a super-2 number, since 2×47161323² = 4448380774220658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47161333) 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, 371286 + ... + 371412.

It is an arithmetic number, because the mean of its divisors is an integer number (1624064).

Almost surely, 2^47161323 is an apocalyptic number.

47161323 is a deficient number, since it is larger than the sum of its proper divisors (30793749).

47161323 is a wasteful number, since it uses less digits than its factorization.

47161323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 172 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 47161323 is about 6867.4102105524. The cubic root of 47161323 is about 361.2950348345.

Adding to 47161323 its reverse (32316174), we get a palindrome (79477497).

The spelling of 47161323 in words is "forty-seven million, one hundred sixty-one thousand, three hundred twenty-three".