1323040103 has 16 divisors (see below), whose sum is σ = 1702717440. Its totient is φ = 997682400.

The previous prime is 1323040087. The next prime is 1323040189. The reversal of 1323040103 is 3010403231.

It is a happy number.

It is not a de Polignac number, because 1323040103 - 2⁴ = 1323040087 is a prime.

It is a super-2 number, since 2×1323040103² = 3500870228292501218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323040403) 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, 274748 + ... + 279521.

It is an arithmetic number, because the mean of its divisors is an integer number (106419840).

Almost surely, 2^1323040103 is an apocalyptic number.

1323040103 is a deficient number, since it is larger than the sum of its proper divisors (379677337).

1323040103 is a wasteful number, since it uses less digits than its factorization.

1323040103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554318.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1323040103 is about 36373.6182280509. The cubic root of 1323040103 is about 1097.8028050442.

Adding to 1323040103 its reverse (3010403231), we get a palindrome (4333443334).

The spelling of 1323040103 in words is "one billion, three hundred twenty-three million, forty thousand, one hundred three".