1323515105 has 16 divisors (see below), whose sum is σ = 1807933824. Its totient is φ = 920705280.

The previous prime is 1323515077. The next prime is 1323515107. The reversal of 1323515105 is 5015153231.

It is a happy number.

It is not a de Polignac number, because 1323515105 - 2⁶ = 1323515041 is a prime.

It is a super-2 number, since 2×1323515105² = 3503384466326322050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323515107) 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 15 ways as a sum of consecutive naturals, for example, 521864 + ... + 524393.

It is an arithmetic number, because the mean of its divisors is an integer number (112995864).

Almost surely, 2^1323515105 is an apocalyptic number.

It is an amenable number.

1323515105 is a deficient number, since it is larger than the sum of its proper divisors (484418719).

1323515105 is a wasteful number, since it uses less digits than its factorization.

1323515105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046296.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1323515105 is about 36380.1471272451. The cubic root of 1323515105 is about 1097.9341681914.

Adding to 1323515105 its reverse (5015153231), we get a palindrome (6338668336).

The spelling of 1323515105 in words is "one billion, three hundred twenty-three million, five hundred fifteen thousand, one hundred five".