1323518628 has 12 divisors (see below), whose sum is σ = 3088210160. Its totient is φ = 441172872.

The previous prime is 1323518611. The next prime is 1323518639. The reversal of 1323518628 is 8268153231.

It is a tau number, because it is divible by the number of its divisors (12).

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, 55146598 + ... + 55146621.

Almost surely, 2^1323518628 is an apocalyptic number.

It is an amenable number.

1323518628 is an abundant number, since it is smaller than the sum of its proper divisors (1764691532).

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

1323518628 is a wasteful number, since it uses less digits than its factorization.

1323518628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110293226 (or 110293224 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1323518628 is about 36380.1955464783. The cubic root of 1323518628 is about 1097.9351423696.

The spelling of 1323518628 in words is "one billion, three hundred twenty-three million, five hundred eighteen thousand, six hundred twenty-eight".