201405423 has 8 divisors (see below), whose sum is σ = 268677936. Its totient is φ = 134201600.

The previous prime is 201405403. The next prime is 201405427. The reversal of 201405423 is 324504102.

201405423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201405423 - 2⁶ = 201405359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201405423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201405427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9888 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (33584742).

Almost surely, 2^201405423 is an apocalyptic number.

201405423 is a deficient number, since it is larger than the sum of its proper divisors (67272513).

201405423 is a wasteful number, since it uses less digits than its factorization.

201405423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34345.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 201405423 is about 14191.7378428436. The cubic root of 201405423 is about 586.1701787266.

Adding to 201405423 its reverse (324504102), we get a palindrome (525909525).

The spelling of 201405423 in words is "two hundred one million, four hundred five thousand, four hundred twenty-three".