423231601 has 6 divisors (see below), whose sum is σ = 458292390. Its totient is φ = 390675168.

The previous prime is 423231577. The next prime is 423231629. The reversal of 423231601 is 106132324.

It can be written as a sum of positive squares in 3 ways, for example, as 52707600 + 370524001 = 7260^2 + 19249^2 .

It is not a de Polignac number, because 423231601 - 2¹⁷ = 423100529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1251996 + ... + 1252333.

It is an arithmetic number, because the mean of its divisors is an integer number (76382065).

Almost surely, 2^423231601 is an apocalyptic number.

It is an amenable number.

423231601 is a deficient number, since it is larger than the sum of its proper divisors (35060789).

423231601 is a wasteful number, since it uses less digits than its factorization.

423231601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504355 (or 2504342 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 423231601 is about 20572.5934437056. The cubic root of 423231601 is about 750.8030515411.

Adding to 423231601 its reverse (106132324), we get a palindrome (529363925).

The spelling of 423231601 in words is "four hundred twenty-three million, two hundred thirty-one thousand, six hundred one".