204220103020423 has 4 divisors (see below), whose sum is σ = 233394403451920. Its totient is φ = 175045802588928.

The previous prime is 204220103020399. The next prime is 204220103020447. The reversal of 204220103020423 is 324020301022402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (204220103020399) and next prime (204220103020447).

It is a cyclic number.

It is not a de Polignac number, because 204220103020423 - 2²⁵ = 204220069465991 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 (204220103020123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14587150215738 + ... + 14587150215751.

It is an arithmetic number, because the mean of its divisors is an integer number (58348600862980).

Almost surely, 2^{204220103020423} is an apocalyptic number.

204220103020423 is a deficient number, since it is larger than the sum of its proper divisors (29174300431497).

204220103020423 is an equidigital number, since it uses as much as digits as its factorization.

204220103020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29174300431496.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204220103020423 its reverse (324020301022402), we get a palindrome (528240404042825).

The spelling of 204220103020423 in words is "two hundred four trillion, two hundred twenty billion, one hundred three million, twenty thousand, four hundred twenty-three".