423550455 has 16 divisors (see below), whose sum is σ = 678015360. Its totient is φ = 225782048.

The previous prime is 423550409. The next prime is 423550471. The reversal of 423550455 is 554055324.

It is a cyclic number.

It is not a de Polignac number, because 423550455 - 2⁷ = 423550327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31144 + ... + 42626.

It is an arithmetic number, because the mean of its divisors is an integer number (42375960).

Almost surely, 2^423550455 is an apocalyptic number.

423550455 is a deficient number, since it is larger than the sum of its proper divisors (254464905).

423550455 is a wasteful number, since it uses less digits than its factorization.

423550455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 423550455 is about 20580.3414694703. The cubic root of 423550455 is about 750.9915507473.

The spelling of 423550455 in words is "four hundred twenty-three million, five hundred fifty thousand, four hundred fifty-five".