1323656120 has 32 divisors (see below), whose sum is σ = 2988850320. Its totient is φ = 527573760.

The previous prime is 1323656039. The next prime is 1323656153. The reversal of 1323656120 is 216563231.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 47642 + ... + 70121.

Almost surely, 2^1323656120 is an apocalyptic number.

1323656120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323656120 is an abundant number, since it is smaller than the sum of its proper divisors (1665194200).

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

1323656120 is a wasteful number, since it uses less digits than its factorization.

1323656120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118055 (or 118051 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1323656120 is about 36382.0851518986. The cubic root of 1323656120 is about 1097.9731602381.

The spelling of 1323656120 in words is "one billion, three hundred twenty-three million, six hundred fifty-six thousand, one hundred twenty".