47323231 has 2 divisors, whose sum is σ = 47323232. Its totient is φ = 47323230.

The previous prime is 47323229. The next prime is 47323271. The reversal of 47323231 is 13232374.

47323231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47323231 - 2¹ = 47323229 is a prime.

It is a super-2 number, since 2×47323231² = 4478976384558722, which contains 22 as substring.

Together with 47323229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47323196 and 47323205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23661615 + 23661616.

It is an arithmetic number, because the mean of its divisors is an integer number (23661616).

Almost surely, 2^47323231 is an apocalyptic number.

47323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47323231 is an equidigital number, since it uses as much as digits as its factorization.

47323231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 47323231 is about 6879.1882515308. The cubic root of 47323231 is about 361.7080126681.

The spelling of 47323231 in words is "forty-seven million, three hundred twenty-three thousand, two hundred thirty-one".