5205023 has 4 divisors (see below), whose sum is σ = 5244888. Its totient is φ = 5165160.

The previous prime is 5205019. The next prime is 5205037. The reversal of 5205023 is 3205025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5205023 - 2² = 5205019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5204992 and 5205010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19736 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (1311222).

Almost surely, 2^5205023 is an apocalyptic number.

5205023 is a deficient number, since it is larger than the sum of its proper divisors (39865).

5205023 is a wasteful number, since it uses less digits than its factorization.

5205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39864.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 5205023 is about 2281.4519499652. The cubic root of 5205023 is about 173.3035866935.

The spelling of 5205023 in words is "five million, two hundred five thousand, twenty-three".