1323797634 has 16 divisors (see below), whose sum is σ = 2941772640. Its totient is φ = 441265860.

The previous prime is 1323797617. The next prime is 1323797647. The reversal of 1323797634 is 4367973231.

It is a happy number.

1323797634 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 7 + 9 + 7 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1323797634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12257332 + ... + 12257439.

It is an arithmetic number, because the mean of its divisors is an integer number (183860790).

Almost surely, 2^1323797634 is an apocalyptic number.

1323797634 is an abundant number, since it is smaller than the sum of its proper divisors (1617975006).

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

1323797634 is a wasteful number, since it uses less digits than its factorization.

1323797634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514782 (or 24514776 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 1323797634 is about 36384.0299307265. The cubic root of 1323797634 is about 1098.0122874793.

The spelling of 1323797634 in words is "one billion, three hundred twenty-three million, seven hundred ninety-seven thousand, six hundred thirty-four".