423223001 has 2 divisors, whose sum is σ = 423223002. Its totient is φ = 423223000.

The previous prime is 423222997. The next prime is 423223049. The reversal of 423223001 is 100322324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372528601 + 50694400 = 19301^2 + 7120^2 .

It is a cyclic number.

It is not a de Polignac number, because 423223001 - 2² = 423222997 is a prime.

It is not a weakly prime, because it can be changed into another prime (423223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611500 + 211611501.

It is an arithmetic number, because the mean of its divisors is an integer number (211611501).

Almost surely, 2^423223001 is an apocalyptic number.

It is an amenable number.

423223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

423223001 is an equidigital number, since it uses as much as digits as its factorization.

423223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423223001 is about 20572.3844267017. The cubic root of 423223001 is about 750.7979661064.

Adding to 423223001 its reverse (100322324), we get a palindrome (523545325).

The spelling of 423223001 in words is "four hundred twenty-three million, two hundred twenty-three thousand, one".