20123223203 has 8 divisors (see below), whose sum is σ = 20194776576. Its totient is φ = 20051785800.

The previous prime is 20123223179. The next prime is 20123223251. The reversal of 20123223203 is 30232232102.

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 20123223203 - 2¹⁴ = 20123206819 is a prime.

It is a super-2 number, since 2×20123223203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123223283) 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, 326348 + ... + 383078.

It is an arithmetic number, because the mean of its divisors is an integer number (2524347072).

Almost surely, 2^20123223203 is an apocalyptic number.

20123223203 is a deficient number, since it is larger than the sum of its proper divisors (71553373).

20123223203 is an equidigital number, since it uses as much as digits as its factorization.

20123223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57985.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20123223203 its reverse (30232232102), we get a palindrome (50355455305).

The spelling of 20123223203 in words is "twenty billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred three".