423525455 has 4 divisors (see below), whose sum is σ = 508230552. Its totient is φ = 338820360.

The previous prime is 423525439. The next prime is 423525467. The reversal of 423525455 is 554525324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423525455 - 2⁴ = 423525439 is a prime.

It is a super-2 number, since 2×423525455² = 358747622065914050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42352541 + ... + 42352550.

It is an arithmetic number, because the mean of its divisors is an integer number (127057638).

Almost surely, 2^423525455 is an apocalyptic number.

423525455 is a deficient number, since it is larger than the sum of its proper divisors (84705097).

423525455 is an equidigital number, since it uses as much as digits as its factorization.

423525455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84705096.

The product of its digits is 120000, while the sum is 35.

The square root of 423525455 is about 20579.7340847738. The cubic root of 423525455 is about 750.9767747366.

The spelling of 423525455 in words is "four hundred twenty-three million, five hundred twenty-five thousand, four hundred fifty-five".