423354005 has 4 divisors (see below), whose sum is σ = 508024812. Its totient is φ = 338683200.

The previous prime is 423353989. The next prime is 423354007. The reversal of 423354005 is 500453324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98525476 + 324828529 = 9926^2 + 18023^2 .

It is not a de Polignac number, because 423354005 - 2⁴ = 423353989 is a prime.

It is a super-2 number, since 2×423354005² = 358457227099080050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423354007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42335396 + ... + 42335405.

It is an arithmetic number, because the mean of its divisors is an integer number (127006203).

Almost surely, 2^423354005 is an apocalyptic number.

It is an amenable number.

423354005 is a deficient number, since it is larger than the sum of its proper divisors (84670807).

423354005 is an equidigital number, since it uses as much as digits as its factorization.

423354005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84670806.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 423354005 is about 20575.5681574045. The cubic root of 423354005 is about 750.8754251842.

The spelling of 423354005 in words is "four hundred twenty-three million, three hundred fifty-four thousand, five".