1323799970544 has 60 divisors (see below), whose sum is σ = 3705082036656. Its totient is φ = 441233220096.

The previous prime is 1323799970503. The next prime is 1323799970593. The reversal of 1323799970544 is 4450799973231.

1323799970544 is a `hidden beast` number, since 13 + 2 + 3 + 7 + 9 + 9 + 9 + 70 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1596237 + ... + 2279379.

Almost surely, 2^{1323799970544} is an apocalyptic number.

It is an amenable number.

1323799970544 is an abundant number, since it is smaller than the sum of its proper divisors (2381282066112).

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

1323799970544 is a wasteful number, since it uses less digits than its factorization.

1323799970544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696614 (or 696605 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 1323799970544 in words is "one trillion, three hundred twenty-three billion, seven hundred ninety-nine million, nine hundred seventy thousand, five hundred forty-four".