204423201300030 has 128 divisors (see below), whose sum is σ = 520090573787136. Its totient is φ = 51341505868800.

The previous prime is 204423201299951. The next prime is 204423201300077. The reversal of 204423201300030 is 30003102324402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1850050 + ... + 20304410.

It is an arithmetic number, because the mean of its divisors is an integer number (4063207607712).

Almost surely, 2^{204423201300030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204423201300030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260045286893568).

204423201300030 is an abundant number, since it is smaller than the sum of its proper divisors (315667372487106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204423201300030 is a wasteful number, since it uses less digits than its factorization.

204423201300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454722.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204423201300030 its reverse (30003102324402), we get a palindrome (234426303624432).

The spelling of 204423201300030 in words is "two hundred four trillion, four hundred twenty-three billion, two hundred one million, three hundred thousand, thirty".