210423724803 has 20 divisors (see below), whose sum is σ = 319028275720. Its totient is φ = 138188711232.

The previous prime is 210423724801. The next prime is 210423724829. The reversal of 210423724803 is 308427324012.

It is a happy number.

210423724803 is a `hidden beast` number, since 2 + 104 + 2 + 3 + 72 + 480 + 3 = 666.

It is not a de Polignac number, because 210423724803 - 2¹ = 210423724801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210423724801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19381318 + ... + 19392171.

It is an arithmetic number, because the mean of its divisors is an integer number (15951413786).

Almost surely, 2^210423724803 is an apocalyptic number.

210423724803 is a deficient number, since it is larger than the sum of its proper divisors (108604550917).

210423724803 is an equidigital number, since it uses as much as digits as its factorization.

210423724803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38773568 (or 38773559 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 210423724803 in words is "two hundred ten billion, four hundred twenty-three million, seven hundred twenty-four thousand, eight hundred three".