423454215 has 16 divisors (see below), whose sum is σ = 678599136. Its totient is φ = 225484800.

The previous prime is 423454189. The next prime is 423454231. The reversal of 423454215 is 512454324.

It is not a de Polignac number, because 423454215 - 2⁵ = 423454183 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, 12406 + ... + 31635.

It is an arithmetic number, because the mean of its divisors is an integer number (42412446).

Almost surely, 2^423454215 is an apocalyptic number.

423454215 is a deficient number, since it is larger than the sum of its proper divisors (255144921).

423454215 is a wasteful number, since it uses less digits than its factorization.

423454215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44690.

The product of its digits is 19200, while the sum is 30.

The square root of 423454215 is about 20578.0031830107. The cubic root of 423454215 is about 750.9346658270.

The spelling of 423454215 in words is "four hundred twenty-three million, four hundred fifty-four thousand, two hundred fifteen".