5709023 has 4 divisors (see below), whose sum is σ = 5734848. Its totient is φ = 5683200.

The previous prime is 5709019. The next prime is 5709029. The reversal of 5709023 is 3209075.

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 5709023 - 2² = 5709019 is a prime.

It is a super-2 number, since 2×5709023² = 65185887229058, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5708983 and 5709001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709029) 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, 12578 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (1433712).

Almost surely, 2^5709023 is an apocalyptic number.

5709023 is a deficient number, since it is larger than the sum of its proper divisors (25825).

5709023 is a wasteful number, since it uses less digits than its factorization.

5709023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25824.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 5709023 is about 2389.3561894368. The cubic root of 5709023 is about 178.7258059745.

The spelling of 5709023 in words is "five million, seven hundred nine thousand, twenty-three".