1323730011 has 8 divisors (see below), whose sum is σ = 1765539904. Its totient is φ = 882203400.

The previous prime is 1323729991. The next prime is 1323730013. The reversal of 1323730011 is 1100373231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323730011 - 2⁶ = 1323729947 is a prime.

It is a super-2 number, since 2×1323730011² = 3504522284044120242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323730011.

It is not an unprimeable number, because it can be changed into a prime (1323730013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59665 + ... + 78786.

It is an arithmetic number, because the mean of its divisors is an integer number (220692488).

Almost surely, 2^1323730011 is an apocalyptic number.

1323730011 is a deficient number, since it is larger than the sum of its proper divisors (441809893).

1323730011 is a wasteful number, since it uses less digits than its factorization.

1323730011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141641.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1323730011 is about 36383.1006237786. The cubic root of 1323730011 is about 1097.9935907271.

The spelling of 1323730011 in words is "one billion, three hundred twenty-three million, seven hundred thirty thousand, eleven".