423575287 has 2 divisors, whose sum is σ = 423575288. Its totient is φ = 423575286.

The previous prime is 423575267. The next prime is 423575309. The reversal of 423575287 is 782575324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423575287 - 2²⁷ = 289357559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423575267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211787643 + 211787644.

It is an arithmetic number, because the mean of its divisors is an integer number (211787644).

Almost surely, 2^423575287 is an apocalyptic number.

423575287 is a deficient number, since it is larger than the sum of its proper divisors (1).

423575287 is an equidigital number, since it uses as much as digits as its factorization.

423575287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 43.

The square root of 423575287 is about 20580.9447547969. The cubic root of 423575287 is about 751.0062268877.

The spelling of 423575287 in words is "four hundred twenty-three million, five hundred seventy-five thousand, two hundred eighty-seven".