423402201 has 32 divisors (see below), whose sum is σ = 638601600. Its totient is φ = 277214400.

The previous prime is 423402197. The next prime is 423402227. The reversal of 423402201 is 102204324.

423402201 is a `hidden beast` number, since 423 + 40 + 2 + 201 = 666.

It is not a de Polignac number, because 423402201 - 2² = 423402197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423402401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378495 + ... + 379611.

It is an arithmetic number, because the mean of its divisors is an integer number (19956300).

Almost surely, 2^423402201 is an apocalyptic number.

It is an amenable number.

423402201 is a deficient number, since it is larger than the sum of its proper divisors (215199399).

423402201 is a wasteful number, since it uses less digits than its factorization.

423402201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 423402201 is about 20576.7393189494. The cubic root of 423402201 is about 750.9039181383.

Adding to 423402201 its reverse (102204324), we get a palindrome (525606525).

The spelling of 423402201 in words is "four hundred twenty-three million, four hundred two thousand, two hundred one".