423508487 has 2 divisors, whose sum is σ = 423508488. Its totient is φ = 423508486.

The previous prime is 423508483. The next prime is 423508507. The reversal of 423508487 is 784805324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423508487 - 2² = 423508483 is a prime.

It is a super-3 number, since 3×423508487³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423508483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211754243 + 211754244.

It is an arithmetic number, because the mean of its divisors is an integer number (211754244).

Almost surely, 2^423508487 is an apocalyptic number.

423508487 is a deficient number, since it is larger than the sum of its proper divisors (1).

423508487 is an equidigital number, since it uses as much as digits as its factorization.

423508487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 423508487 is about 20579.3218304200. The cubic root of 423508487 is about 750.9667456314.

The spelling of 423508487 in words is "four hundred twenty-three million, five hundred eight thousand, four hundred eighty-seven".