1004523320000 has 70 divisors (see below), whose sum is σ = 2490891462708. Its totient is φ = 401809312000.

The previous prime is 1004523319981. The next prime is 1004523320027. The reversal of 1004523320000 is 233254001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12516542 + ... + 12596541.

Almost surely, 2^{1004523320000} is an apocalyptic number.

1004523320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004523320000 is an abundant number, since it is smaller than the sum of its proper divisors (1486368142708).

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

1004523320000 is an frugal number, since it uses more digits than its factorization.

1004523320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25113115 (or 25113090 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 1004523320000 its reverse (233254001), we get a palindrome (1004756574001).

The spelling of 1004523320000 in words is "one trillion, four billion, five hundred twenty-three million, three hundred twenty thousand".