423208045 has 16 divisors (see below), whose sum is σ = 547413552. Its totient is φ = 312238080.

The previous prime is 423208031. The next prime is 423208061. The reversal of 423208045 is 540802324.

It can be written as a sum of positive squares in 8 ways, for example, as 16540489 + 406667556 = 4067^2 + 20166^2 .

It is not a de Polignac number, because 423208045 - 2²³ = 414819437 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 92205 + ... + 96685.

It is an arithmetic number, because the mean of its divisors is an integer number (34213347).

Almost surely, 2^423208045 is an apocalyptic number.

It is an amenable number.

423208045 is a deficient number, since it is larger than the sum of its proper divisors (124205507).

423208045 is a wasteful number, since it uses less digits than its factorization.

423208045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 423208045 is about 20572.0209264914. The cubic root of 423208045 is about 750.7891220167.

The spelling of 423208045 in words is "four hundred twenty-three million, two hundred eight thousand, forty-five".