423812641 has 16 divisors (see below), whose sum is σ = 504915840. Its totient is φ = 348042240.

The previous prime is 423812639. The next prime is 423812657. The reversal of 423812641 is 146218324.

It is not a de Polignac number, because 423812641 - 2¹ = 423812639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423812611) 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, 18625 + ... + 34561.

It is an arithmetic number, because the mean of its divisors is an integer number (31557240).

Almost surely, 2^423812641 is an apocalyptic number.

It is an amenable number.

423812641 is a deficient number, since it is larger than the sum of its proper divisors (81103199).

423812641 is a wasteful number, since it uses less digits than its factorization.

423812641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16104.

The product of its digits is 9216, while the sum is 31.

The square root of 423812641 is about 20586.7103005798. The cubic root of 423812641 is about 751.1464782608.

The spelling of 423812641 in words is "four hundred twenty-three million, eight hundred twelve thousand, six hundred forty-one".