423003825547 has 2 divisors, whose sum is σ = 423003825548. Its totient is φ = 423003825546.

The previous prime is 423003825527. The next prime is 423003825553. The reversal of 423003825547 is 745528300324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423003825547 - 2²³ = 422995436939 is a prime.

It is not a weakly prime, because it can be changed into another prime (423003825527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211501912773 + 211501912774.

It is an arithmetic number, because the mean of its divisors is an integer number (211501912774).

Almost surely, 2^423003825547 is an apocalyptic number.

423003825547 is a deficient number, since it is larger than the sum of its proper divisors (1).

423003825547 is an equidigital number, since it uses as much as digits as its factorization.

423003825547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 423003825547 in words is "four hundred twenty-three billion, three million, eight hundred twenty-five thousand, five hundred forty-seven".