1323252122503 has 4 divisors (see below), whose sum is σ = 1331370233848. Its totient is φ = 1315134011160.

The previous prime is 1323252122497. The next prime is 1323252122527. The reversal of 1323252122503 is 3052212523231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323252122503 - 2¹⁷ = 1323251991431 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 (1323252122603) 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, 4059055428 + ... + 4059055753.

It is an arithmetic number, because the mean of its divisors is an integer number (332842558462).

Almost surely, 2^{1323252122503} is an apocalyptic number.

1323252122503 is a deficient number, since it is larger than the sum of its proper divisors (8118111345).

1323252122503 is an equidigital number, since it uses as much as digits as its factorization.

1323252122503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118111344.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 1323252122503 its reverse (3052212523231), we get a palindrome (4375464645734).

The spelling of 1323252122503 in words is "one trillion, three hundred twenty-three billion, two hundred fifty-two million, one hundred twenty-two thousand, five hundred three".