5205423 has 8 divisors (see below), whose sum is σ = 6987136. Its totient is φ = 3447000.

The previous prime is 5205407. The next prime is 5205433. The reversal of 5205423 is 3245025.

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

It is not a de Polignac number, because 5205423 - 2⁴ = 5205407 is a prime.

It is a d-powerful number, because it can be written as 5⁶ + 2¹⁶ + 0 + 5⁷ + 4⁵ + 2¹⁸ + 3¹⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5205423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205433) 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, 5293 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (873392).

Almost surely, 2^5205423 is an apocalyptic number.

5205423 is a deficient number, since it is larger than the sum of its proper divisors (1781713).

5205423 is a wasteful number, since it uses less digits than its factorization.

5205423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 5205423 is about 2281.5396117534. The cubic root of 5205423 is about 173.3080259732.

The spelling of 5205423 in words is "five million, two hundred five thousand, four hundred twenty-three".