423504101 has 2 divisors, whose sum is σ = 423504102. Its totient is φ = 423504100.

The previous prime is 423504089. The next prime is 423504149. The reversal of 423504101 is 101405324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260047876 + 163456225 = 16126^2 + 12785^2 .

It is a cyclic number.

It is not a de Polignac number, because 423504101 - 2¹⁰ = 423503077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423504001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211752050 + 211752051.

It is an arithmetic number, because the mean of its divisors is an integer number (211752051).

Almost surely, 2^423504101 is an apocalyptic number.

It is an amenable number.

423504101 is a deficient number, since it is larger than the sum of its proper divisors (1).

423504101 is an equidigital number, since it uses as much as digits as its factorization.

423504101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 423504101 is about 20579.2152668657. The cubic root of 423504101 is about 750.9641531989.

Adding to 423504101 its reverse (101405324), we get a palindrome (524909425).

The spelling of 423504101 in words is "four hundred twenty-three million, five hundred four thousand, one hundred one".