20324123536423 has 8 divisors (see below), whose sum is σ = 23521589626880. Its totient is φ = 17200162413720.

The previous prime is 20324123536411. The next prime is 20324123536429. The reversal of 20324123536423 is 32463532142302.

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 20324123536423 - 2³⁷ = 20186684582951 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 (20324123536429) 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, 18376241343 + ... + 18376242448.

It is an arithmetic number, because the mean of its divisors is an integer number (2940198703360).

Almost surely, 2^{20324123536423} is an apocalyptic number.

20324123536423 is a deficient number, since it is larger than the sum of its proper divisors (3197466090457).

20324123536423 is an equidigital number, since it uses as much as digits as its factorization.

20324123536423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36752483877.

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 20324123536423 its reverse (32463532142302), we get a palindrome (52787655678725).

The spelling of 20324123536423 in words is "twenty trillion, three hundred twenty-four billion, one hundred twenty-three million, five hundred thirty-six thousand, four hundred twenty-three".