423706005 has 16 divisors (see below), whose sum is σ = 753255360. Its totient is φ = 225976464.

The previous prime is 423705967. The next prime is 423706033. The reversal of 423706005 is 500607324.

It is a happy number.

It is not a de Polignac number, because 423706005 - 2⁶ = 423705941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 423706005.

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, 1569147 + ... + 1569416.

It is an arithmetic number, because the mean of its divisors is an integer number (47078460).

Almost surely, 2^423706005 is an apocalyptic number.

423706005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423706005 is a deficient number, since it is larger than the sum of its proper divisors (329549355).

423706005 is a wasteful number, since it uses less digits than its factorization.

423706005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138577 (or 3138571 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 423706005 is about 20584.1202143789. The cubic root of 423706005 is about 751.0834740250.

The spelling of 423706005 in words is "four hundred twenty-three million, seven hundred six thousand, five".