47423405387 has 2 divisors, whose sum is σ = 47423405388. Its totient is φ = 47423405386.

The previous prime is 47423405371. The next prime is 47423405413. The reversal of 47423405387 is 78350432474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47423405387 - 2⁴ = 47423405371 is a prime.

It is not a weakly prime, because it can be changed into another prime (47423405287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711702693 + 23711702694.

It is an arithmetic number, because the mean of its divisors is an integer number (23711702694).

Almost surely, 2^47423405387 is an apocalyptic number.

47423405387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47423405387 is an equidigital number, since it uses as much as digits as its factorization.

47423405387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 47423405387 in words is "forty-seven billion, four hundred twenty-three million, four hundred five thousand, three hundred eighty-seven".