1323220984 has 16 divisors (see below), whose sum is σ = 2494902600. Its totient is φ = 657913632.

The previous prime is 1323220979. The next prime is 1323220991. The reversal of 1323220984 is 4890223231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460587 + ... + 463450.

Almost surely, 2^1323220984 is an apocalyptic number.

It is an amenable number.

1323220984 is a deficient number, since it is larger than the sum of its proper divisors (1171681616).

1323220984 is a wasteful number, since it uses less digits than its factorization.

1323220984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924222 (or 924218 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1323220984 is about 36376.1045742944. The cubic root of 1323220984 is about 1097.8528319029.

The spelling of 1323220984 in words is "one billion, three hundred twenty-three million, two hundred twenty thousand, nine hundred eighty-four".