1323730632 has 64 divisors (see below), whose sum is σ = 3785155200. Its totient is φ = 377902080.

The previous prime is 1323730631. The next prime is 1323730637. The reversal of 1323730632 is 2360373231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323730632.

It is not an unprimeable number, because it can be changed into a prime (1323730631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278032 + ... + 282752.

It is an arithmetic number, because the mean of its divisors is an integer number (59143050).

Almost surely, 2^1323730632 is an apocalyptic number.

1323730632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323730632 is an abundant number, since it is smaller than the sum of its proper divisors (2461424568).

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

1323730632 is a wasteful number, since it uses less digits than its factorization.

1323730632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 1323730632 is about 36383.1091579595. The cubic root of 1323730632 is about 1097.9937624272.

The spelling of 1323730632 in words is "one billion, three hundred twenty-three million, seven hundred thirty thousand, six hundred thirty-two".