320006268503 has 4 divisors (see below), whose sum is σ = 320012155560. Its totient is φ = 320000381448.

The previous prime is 320006268493. The next prime is 320006268557. The reversal of 320006268503 is 305862600023.

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 320006268503 - 2⁴ = 320006268487 is a prime.

It is a super-2 number, since 2×320006268503² (a number of 24 digits) 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 (320006268103) 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, 2861225 + ... + 2970962.

It is an arithmetic number, because the mean of its divisors is an integer number (80003038890).

Almost surely, 2^320006268503 is an apocalyptic number.

320006268503 is a deficient number, since it is larger than the sum of its proper divisors (5887057).

320006268503 is an equidigital number, since it uses as much as digits as its factorization.

320006268503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887056.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 320006268503 its reverse (305862600023), we get a palindrome (625868868526).

The spelling of 320006268503 in words is "three hundred twenty billion, six million, two hundred sixty-eight thousand, five hundred three".