423627645 has 16 divisors (see below), whose sum is σ = 774633600. Its totient is φ = 193658304.

The previous prime is 423627643. The next prime is 423627647. The reversal of 423627645 is 546726324.

It is an interprime number because it is at equal distance from previous prime (423627643) and next prime (423627647).

It is not a de Polignac number, because 423627645 - 2¹ = 423627643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423627643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017170 + ... + 2017379.

It is an arithmetic number, because the mean of its divisors is an integer number (48414600).

Almost surely, 2^423627645 is an apocalyptic number.

It is an amenable number.

423627645 is a deficient number, since it is larger than the sum of its proper divisors (351005955).

423627645 is a wasteful number, since it uses less digits than its factorization.

423627645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034564.

The product of its digits is 241920, while the sum is 39.

The square root of 423627645 is about 20582.2167173509. The cubic root of 423627645 is about 751.0371694892.

The spelling of 423627645 in words is "four hundred twenty-three million, six hundred twenty-seven thousand, six hundred forty-five".