47138343 has 12 divisors (see below), whose sum is σ = 73112760. Its totient is φ = 26936112.

The previous prime is 47138327. The next prime is 47138347. The reversal of 47138343 is 34383174.

It is not a de Polignac number, because 47138343 - 2⁴ = 47138327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47138347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160188 + ... + 160481.

It is an arithmetic number, because the mean of its divisors is an integer number (6092730).

Almost surely, 2^47138343 is an apocalyptic number.

47138343 is a deficient number, since it is larger than the sum of its proper divisors (25974417).

47138343 is a wasteful number, since it uses less digits than its factorization.

47138343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320686 (or 320679 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 47138343 is about 6865.7368868899. The cubic root of 47138343 is about 361.2363433174.

The spelling of 47138343 in words is "forty-seven million, one hundred thirty-eight thousand, three hundred forty-three".