201423322 has 4 divisors (see below), whose sum is σ = 302134986. Its totient is φ = 100711660.

The previous prime is 201423311. The next prime is 201423331. The reversal of 201423322 is 223324102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223324102 = 2 ⋅111662051.

It can be written as a sum of positive squares in only one way, i.e., 185749641 + 15673681 = 13629^2 + 3959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201423322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50355829 + ... + 50355832.

Almost surely, 2^201423322 is an apocalyptic number.

201423322 is a deficient number, since it is larger than the sum of its proper divisors (100711664).

201423322 is a wasteful number, since it uses less digits than its factorization.

201423322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100711663.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201423322 is about 14192.3684422298. The cubic root of 201423322 is about 586.1875426239.

Adding to 201423322 its reverse (223324102), we get a palindrome (424747424).

The spelling of 201423322 in words is "two hundred one million, four hundred twenty-three thousand, three hundred twenty-two".