385547423 has 2 divisors, whose sum is σ = 385547424. Its totient is φ = 385547422.

The previous prime is 385547339. The next prime is 385547479. The reversal of 385547423 is 324745583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385547423 - 2²⁰ = 384498847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385540423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192773711 + 192773712.

It is an arithmetic number, because the mean of its divisors is an integer number (192773712).

Almost surely, 2^385547423 is an apocalyptic number.

385547423 is a deficient number, since it is larger than the sum of its proper divisors (1).

385547423 is an equidigital number, since it uses as much as digits as its factorization.

385547423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 41.

The square root of 385547423 is about 19635.3615449271. The cubic root of 385547423 is about 727.8232668591.

The spelling of 385547423 in words is "three hundred eighty-five million, five hundred forty-seven thousand, four hundred twenty-three".