1323940045784 has 8 divisors (see below), whose sum is σ = 2482387585860. Its totient is φ = 661970022888.

The previous prime is 1323940045777. The next prime is 1323940045793. The reversal of 1323940045784 is 4875400493231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82746252854 + ... + 82746252869.

Almost surely, 2^{1323940045784} is an apocalyptic number.

It is an amenable number.

1323940045784 is a deficient number, since it is larger than the sum of its proper divisors (1158447540076).

1323940045784 is a wasteful number, since it uses less digits than its factorization.

1323940045784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165492505729 (or 165492505725 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 1323940045784 in words is "one trillion, three hundred twenty-three billion, nine hundred forty million, forty-five thousand, seven hundred eighty-four".