47023 has 4 divisors (see below), whose sum is σ = 47880. Its totient is φ = 46168.

The previous prime is 47017. The next prime is 47041. The reversal of 47023 is 32074.

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 47023 - 2⁹ = 46511 is a prime.

It is a super-2 number, since 2×47023² = 4422325058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46988 and 47006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47093) 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, 340 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2⁴⁷⁰²³ is an apocalyptic number.

47023 is a deficient number, since it is larger than the sum of its proper divisors (857).

47023 is an equidigital number, since it uses as much as digits as its factorization.

47023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 47023 is about 216.8478729432. The cubic root of 47023 is about 36.0941465790.

Adding to 47023 its reverse (32074), we get a palindrome (79097).

The spelling of 47023 in words is "forty-seven thousand, twenty-three", and thus it is an iban number.