423550487 has 2 divisors, whose sum is σ = 423550488. Its totient is φ = 423550486.

The previous prime is 423550471. The next prime is 423550493. The reversal of 423550487 is 784055324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423550487 - 2⁴ = 423550471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423550487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423550987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211775243 + 211775244.

It is an arithmetic number, because the mean of its divisors is an integer number (211775244).

Almost surely, 2^423550487 is an apocalyptic number.

423550487 is a deficient number, since it is larger than the sum of its proper divisors (1).

423550487 is an equidigital number, since it uses as much as digits as its factorization.

423550487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 423550487 is about 20580.3422469113. The cubic root of 423550487 is about 750.9915696603.

The spelling of 423550487 in words is "four hundred twenty-three million, five hundred fifty thousand, four hundred eighty-seven".