47008231 has 2 divisors, whose sum is σ = 47008232. Its totient is φ = 47008230.

The previous prime is 47008229. The next prime is 47008243. The reversal of 47008231 is 13280074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47008231 - 2¹ = 47008229 is a prime.

It is a super-2 number, since 2×47008231² = 4419547563498722, which contains 22 as substring.

Together with 47008229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47008196 and 47008205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47008211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23504115 + 23504116.

It is an arithmetic number, because the mean of its divisors is an integer number (23504116).

Almost surely, 2^47008231 is an apocalyptic number.

47008231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47008231 is an equidigital number, since it uses as much as digits as its factorization.

47008231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 47008231 is about 6856.2548814932. The cubic root of 47008231 is about 360.9036736264.

The spelling of 47008231 in words is "forty-seven million, eight thousand, two hundred thirty-one".