1023204515200 has 288 divisors, whose sum is σ = 2981755249200. Its totient is φ = 345868185600.

The previous prime is 1023204515191. The next prime is 1023204515209. The reversal of 1023204515200 is 25154023201.

It is an interprime number because it is at equal distance from previous prime (1023204515191) and next prime (1023204515209).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023204515209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11086846 + ... + 11178754.

Almost surely, 2^{1023204515200} is an apocalyptic number.

1023204515200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023204515200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490877624600).

1023204515200 is an abundant number, since it is smaller than the sum of its proper divisors (1958550734000).

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

1023204515200 is an equidigital number, since it uses as much as digits as its factorization.

1023204515200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92018 (or 91994 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1023204515200 its reverse (25154023201), we get a palindrome (1048358538401).

The spelling of 1023204515200 in words is "one trillion, twenty-three billion, two hundred four million, five hundred fifteen thousand, two hundred".