1323532011 has 16 divisors (see below), whose sum is σ = 1822991360. Its totient is φ = 853256160.

The previous prime is 1323531997. The next prime is 1323532013. The reversal of 1323532011 is 1102353231.

It is not a de Polignac number, because 1323532011 - 2⁷ = 1323531883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323532013) 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, 142341 + ... + 151353.

It is an arithmetic number, because the mean of its divisors is an integer number (113936960).

Almost surely, 2^1323532011 is an apocalyptic number.

1323532011 is a deficient number, since it is larger than the sum of its proper divisors (499459349).

1323532011 is a wasteful number, since it uses less digits than its factorization.

1323532011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1323532011 is about 36380.3794785046. The cubic root of 1323532011 is about 1097.9388430143.

Adding to 1323532011 its reverse (1102353231), we get a palindrome (2425885242).

The spelling of 1323532011 in words is "one billion, three hundred twenty-three million, five hundred thirty-two thousand, eleven".