423001 has 2 divisors, whose sum is σ = 423002. Its totient is φ = 423000.

The previous prime is 422987. The next prime is 423013. The reversal of 423001 is 100324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360000 + 63001 = 600^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 423001 - 2⁵ = 422969 is a prime.

It is not a weakly prime, because it can be changed into another prime (423061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211500 + 211501.

It is an arithmetic number, because the mean of its divisors is an integer number (211501).

2⁴²³⁰⁰¹ is an apocalyptic number.

423001 is the 376-th hex number.

It is an amenable number.

423001 is a deficient number, since it is larger than the sum of its proper divisors (1).

423001 is an equidigital number, since it uses as much as digits as its factorization.

423001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 423001 is about 650.3852704359. The cubic root of 423001 is about 75.0666666491.

Adding to 423001 its reverse (100324), we get a palindrome (523325).

It can be divided in two parts, 4 and 23001, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 423001 in words is "four hundred twenty-three thousand, one", and thus it is an iban number.