20234823 has 16 divisors (see below), whose sum is σ = 31226880. Its totient is φ = 11415456.

The previous prime is 20234807. The next prime is 20234831. The reversal of 20234823 is 32843202.

It is not a de Polignac number, because 20234823 - 2⁴ = 20234807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20234793 and 20234802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234803) 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 15 ways as a sum of consecutive naturals, for example, 4440 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (1951680).

Almost surely, 2^20234823 is an apocalyptic number.

20234823 is a deficient number, since it is larger than the sum of its proper divisors (10992057).

20234823 is a wasteful number, since it uses less digits than its factorization.

20234823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12286.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20234823 is about 4498.3133505793. The cubic root of 20234823 is about 272.4999769941.

The spelling of 20234823 in words is "twenty million, two hundred thirty-four thousand, eight hundred twenty-three".