201349423 has 8 divisors (see below), whose sum is σ = 221235840. Its totient is φ = 181726680.

The previous prime is 201349409. The next prime is 201349469. The reversal of 201349423 is 324943102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201349423 - 2⁹ = 201348911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201349391 and 201349400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201349223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64315 + ... + 67372.

It is an arithmetic number, because the mean of its divisors is an integer number (27654480).

Almost surely, 2^201349423 is an apocalyptic number.

201349423 is a deficient number, since it is larger than the sum of its proper divisors (19886417).

201349423 is a wasteful number, since it uses less digits than its factorization.

201349423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131837.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 201349423 is about 14189.7647267317. The cubic root of 201349423 is about 586.1158462392.

It can be divided in two parts, 2013 and 49423, that multiplied together give a palindrome (99488499).

The spelling of 201349423 in words is "two hundred one million, three hundred forty-nine thousand, four hundred twenty-three".