1323103515 has 16 divisors (see below), whose sum is σ = 2121324288. Its totient is φ = 704202336.

The previous prime is 1323103493. The next prime is 1323103559. The reversal of 1323103515 is 5153013231.

It is not a de Polignac number, because 1323103515 - 2⁸ = 1323103259 is a prime.

It is a super-2 number, since 2×1323103515² = 3501205822810710450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83257 + ... + 97866.

It is an arithmetic number, because the mean of its divisors is an integer number (132582768).

Almost surely, 2^1323103515 is an apocalyptic number.

1323103515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323103515 is a deficient number, since it is larger than the sum of its proper divisors (798220773).

1323103515 is a wasteful number, since it uses less digits than its factorization.

1323103515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181618.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1323103515 is about 36374.4898933305. The cubic root of 1323103515 is about 1097.8203436306.

Adding to 1323103515 its reverse (5153013231), we get a palindrome (6476116746).

The spelling of 1323103515 in words is "one billion, three hundred twenty-three million, one hundred three thousand, five hundred fifteen".