1323057103 has 4 divisors (see below), whose sum is σ = 1324338928. Its totient is φ = 1321775280.

The previous prime is 1323057089. The next prime is 1323057119. The reversal of 1323057103 is 3017503231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3017503231 = 44633 ⋅67607.

It is a cyclic number.

It is not a de Polignac number, because 1323057103 - 2²⁵ = 1289502671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323057503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639363 + ... + 641428.

It is an arithmetic number, because the mean of its divisors is an integer number (331084732).

Almost surely, 2^1323057103 is an apocalyptic number.

1323057103 is a deficient number, since it is larger than the sum of its proper divisors (1281825).

1323057103 is a wasteful number, since it uses less digits than its factorization.

1323057103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281824.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1323057103 is about 36373.8519131532. The cubic root of 1323057103 is about 1097.8075069848.

The spelling of 1323057103 in words is "one billion, three hundred twenty-three million, fifty-seven thousand, one hundred three".