47308243 has 2 divisors, whose sum is σ = 47308244. Its totient is φ = 47308242.

The previous prime is 47308207. The next prime is 47308249. The reversal of 47308243 is 34280374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47308243 - 2¹³ = 47300051 is a prime.

It is not a weakly prime, because it can be changed into another prime (47308249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23654121 + 23654122.

It is an arithmetic number, because the mean of its divisors is an integer number (23654122).

Almost surely, 2^47308243 is an apocalyptic number.

47308243 is a deficient number, since it is larger than the sum of its proper divisors (1).

47308243 is an equidigital number, since it uses as much as digits as its factorization.

47308243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 47308243 is about 6878.0987925443. The cubic root of 47308243 is about 361.6698224599.

The spelling of 47308243 in words is "forty-seven million, three hundred eight thousand, two hundred forty-three".