423508201 has 2 divisors, whose sum is σ = 423508202. Its totient is φ = 423508200.

The previous prime is 423508123. The next prime is 423508219. The reversal of 423508201 is 102805324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372528601 + 50979600 = 19301^2 + 7140^2 .

It is a cyclic number.

It is not a de Polignac number, because 423508201 - 2²⁷ = 289290473 is a prime.

It is not a weakly prime, because it can be changed into another prime (423508291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211754100 + 211754101.

It is an arithmetic number, because the mean of its divisors is an integer number (211754101).

Almost surely, 2^423508201 is an apocalyptic number.

It is an amenable number.

423508201 is a deficient number, since it is larger than the sum of its proper divisors (1).

423508201 is an equidigital number, since it uses as much as digits as its factorization.

423508201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 423508201 is about 20579.3148816961. The cubic root of 423508201 is about 750.9665765859.

The spelling of 423508201 in words is "four hundred twenty-three million, five hundred eight thousand, two hundred one".