47317243 has 6 divisors (see below), whose sum is σ = 48463844. Its totient is φ = 46172784.

The previous prime is 47317229. The next prime is 47317247. The reversal of 47317243 is 34271374.

It is not a de Polignac number, because 47317243 - 2¹⁷ = 47186171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47317247) 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, 44583 + ... + 45631.

Almost surely, 2^47317243 is an apocalyptic number.

47317243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47317243 is a deficient number, since it is larger than the sum of its proper divisors (1146601).

47317243 is an frugal number, since it uses more digits than its factorization.

47317243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 1092 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 47317243 is about 6878.7530119928. The cubic root of 47317243 is about 361.6927558982.

The spelling of 47317243 in words is "forty-seven million, three hundred seventeen thousand, two hundred forty-three".