1323730887600 has 240 divisors, whose sum is σ = 4897946689920. Its totient is φ = 302027673600.

The previous prime is 1323730887571. The next prime is 1323730887607. The reversal of 1323730887600 is 67880373231.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1323730887600.

It is not an unprimeable number, because it can be changed into a prime (1323730887607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2725090 + ... + 3173889.

It is an arithmetic number, because the mean of its divisors is an integer number (20408111208).

Almost surely, 2^{1323730887600} is an apocalyptic number.

1323730887600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323730887600 is an abundant number, since it is smaller than the sum of its proper divisors (3574215802320).

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

1323730887600 is a wasteful number, since it uses less digits than its factorization.

1323730887600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899028 (or 5899017 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 1323730887600 in words is "one trillion, three hundred twenty-three billion, seven hundred thirty million, eight hundred eighty-seven thousand, six hundred".