1323403011 has 12 divisors (see below), whose sum is σ = 2184665392. Its totient is φ = 756230256.

The previous prime is 1323403007. The next prime is 1323403021. The reversal of 1323403011 is 1103043231.

1323403011 is a `hidden beast` number, since 1 + 323 + 40 + 301 + 1 = 666.

It is not a de Polignac number, because 1323403011 - 2² = 1323403007 is a prime.

It is a super-2 number, since 2×1323403011² = 3502791059047732242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323403021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10503136 + ... + 10503261.

Almost surely, 2^1323403011 is an apocalyptic number.

1323403011 is a deficient number, since it is larger than the sum of its proper divisors (861262381).

1323403011 is a wasteful number, since it uses less digits than its factorization.

1323403011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006410 (or 21006407 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323403011 is about 36378.6065016240. The cubic root of 1323403011 is about 1097.9031711123.

Adding to 1323403011 its reverse (1103043231), we get a palindrome (2426446242).

The spelling of 1323403011 in words is "one billion, three hundred twenty-three million, four hundred three thousand, eleven".