47128323 has 16 divisors (see below), whose sum is σ = 69261696. Its totient is φ = 28266240.

The previous prime is 47128321. The next prime is 47128349. The reversal of 47128323 is 32382174.

It is not a de Polignac number, because 47128323 - 2¹ = 47128321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47128321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (4328856).

Almost surely, 2^47128323 is an apocalyptic number.

47128323 is a deficient number, since it is larger than the sum of its proper divisors (22133373).

47128323 is a wasteful number, since it uses less digits than its factorization.

47128323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14834.

The product of its digits is 8064, while the sum is 30.

The square root of 47128323 is about 6865.0071376511. The cubic root of 47128323 is about 361.2107460051.

The spelling of 47128323 in words is "forty-seven million, one hundred twenty-eight thousand, three hundred twenty-three".