1323022503 has 8 divisors (see below), whose sum is σ = 1924396416. Its totient is φ = 801831800.

The previous prime is 1323022499. The next prime is 1323022531. The reversal of 1323022503 is 3052203231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323022503 - 2² = 1323022499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323022503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323022303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20045763 + ... + 20045828.

It is an arithmetic number, because the mean of its divisors is an integer number (240549552).

Almost surely, 2^1323022503 is an apocalyptic number.

1323022503 is a deficient number, since it is larger than the sum of its proper divisors (601373913).

1323022503 is a wasteful number, since it uses less digits than its factorization.

1323022503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40091605.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1323022503 is about 36373.3762936574. The cubic root of 1323022503 is about 1097.7979371104.

Adding to 1323022503 its reverse (3052203231), we get a palindrome (4375225734).

The spelling of 1323022503 in words is "one billion, three hundred twenty-three million, twenty-two thousand, five hundred three".