1323242011 has 12 divisors (see below), whose sum is σ = 1657688592. Its totient is φ = 1046960208.

The previous prime is 1323242009. The next prime is 1323242069. The reversal of 1323242011 is 1102423231.

It is a happy number.

It is not a de Polignac number, because 1323242011 - 2¹ = 1323242009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323242011.

It is not an unprimeable number, because it can be changed into a prime (1323242111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038015 + ... + 1039288.

It is an arithmetic number, because the mean of its divisors is an integer number (138140716).

Almost surely, 2^1323242011 is an apocalyptic number.

1323242011 is a deficient number, since it is larger than the sum of its proper divisors (334446581).

1323242011 is a wasteful number, since it uses less digits than its factorization.

1323242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077330 (or 2077323 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1323242011 is about 36376.3935952975. The cubic root of 1323242011 is about 1097.8586471143.

Adding to 1323242011 its reverse (1102423231), we get a palindrome (2425665242).

The spelling of 1323242011 in words is "one billion, three hundred twenty-three million, two hundred forty-two thousand, eleven".