248023 has 4 divisors (see below), whose sum is σ = 249480. Its totient is φ = 246568.

The previous prime is 248021. The next prime is 248033. The reversal of 248023 is 320842.

It is a happy number.

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 248023 - 2¹ = 248021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2²⁴⁸⁰²³ is an apocalyptic number.

248023 is a deficient number, since it is larger than the sum of its proper divisors (1457).

248023 is a wasteful number, since it uses less digits than its factorization.

248023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 248023 is about 498.0190759399. The cubic root of 248023 is about 62.8295552393.

Subtracting from 248023 its sum of digits (19), we obtain a square (248004 = 498²).

Adding to 248023 its reverse (320842), we get a palindrome (568865).

The spelling of 248023 in words is "two hundred forty-eight thousand, twenty-three".