423526045 has 4 divisors (see below), whose sum is σ = 508231260. Its totient is φ = 338820832.

The previous prime is 423526039. The next prime is 423526091. The reversal of 423526045 is 540625324.

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 335109636 + 88416409 = 18306^2 + 9403^2 .

It is a cyclic number.

It is not a de Polignac number, because 423526045 - 2¹⁹ = 423001757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423525998 and 423526016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42352600 + ... + 42352609.

It is an arithmetic number, because the mean of its divisors is an integer number (127057815).

Almost surely, 2^423526045 is an apocalyptic number.

It is an amenable number.

423526045 is a deficient number, since it is larger than the sum of its proper divisors (84705215).

423526045 is an equidigital number, since it uses as much as digits as its factorization.

423526045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84705214.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 423526045 is about 20579.7484192592. The cubic root of 423526045 is about 750.9771234572.

The spelling of 423526045 in words is "four hundred twenty-three million, five hundred twenty-six thousand, forty-five".