1023198472800 has 648 divisors, whose sum is σ = 4352015421936. Its totient is φ = 221560842240.

The previous prime is 1023198472789. The next prime is 1023198472847. The reversal of 1023198472800 is 82748913201.

It is a happy number.

1023198472800 is a `hidden beast` number, since 10 + 2 + 3 + 1 + 98 + 472 + 80 + 0 = 666.

1023198472800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1023198472800² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 18166282 + ... + 18222518.

It is an arithmetic number, because the mean of its divisors is an integer number (6716073182).

Almost surely, 2^{1023198472800} is an apocalyptic number.

1023198472800 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 1023198472800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176007710968).

1023198472800 is an abundant number, since it is smaller than the sum of its proper divisors (3328816949136).

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

1023198472800 is a wasteful number, since it uses less digits than its factorization.

1023198472800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56308 (or 56273 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 1023198472800 in words is "one trillion, twenty-three billion, one hundred ninety-eight million, four hundred seventy-two thousand, eight hundred".