20240823 has 8 divisors (see below), whose sum is σ = 27038448. Its totient is φ = 13468544.

The previous prime is 20240821. The next prime is 20240873. The reversal of 20240823 is 32804202.

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

It is a cyclic number.

It is not a de Polignac number, because 20240823 - 2¹ = 20240821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20240823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240821) 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, 4386 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (3379806).

Almost surely, 2^20240823 is an apocalyptic number.

20240823 is a deficient number, since it is larger than the sum of its proper divisors (6797625).

20240823 is a wasteful number, since it uses less digits than its factorization.

20240823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20240823 is about 4498.9802177827. The cubic root of 20240823 is about 272.5269080967.

The spelling of 20240823 in words is "twenty million, two hundred forty thousand, eight hundred twenty-three".