204300123450 has 96 divisors (see below), whose sum is σ = 510369988992. Its totient is φ = 54082080000.

The previous prime is 204300123427. The next prime is 204300123473. The reversal of 204300123450 is 54321003402.

It is an interprime number because it is at equal distance from previous prime (204300123427) and next prime (204300123473).

It is a self number, because there is not a number n which added to its sum of digits gives 204300123450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53021724 + ... + 53025576.

It is an arithmetic number, because the mean of its divisors is an integer number (5316354052).

Almost surely, 2^204300123450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204300123450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255184994496).

204300123450 is an abundant number, since it is smaller than the sum of its proper divisors (306069865542).

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

204300123450 is a wasteful number, since it uses less digits than its factorization.

204300123450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360 (or 6355 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 204300123450 its reverse (54321003402), we get a palindrome (258621126852).

The spelling of 204300123450 in words is "two hundred four billion, three hundred million, one hundred twenty-three thousand, four hundred fifty".