318988223453 has 8 divisors (see below), whose sum is σ = 319685305920. Its totient is φ = 318291314400.

The previous prime is 318988223447. The next prime is 318988223459. The reversal of 318988223453 is 354322889813.

It is an interprime number because it is at equal distance from previous prime (318988223447) and next prime (318988223459).

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

It is a cyclic number.

It is not a de Polignac number, because 318988223453 - 2¹² = 318988219357 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 (318988223459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061153 + ... + 4138953.

It is an arithmetic number, because the mean of its divisors is an integer number (39960663240).

Almost surely, 2^318988223453 is an apocalyptic number.

It is an amenable number.

318988223453 is a deficient number, since it is larger than the sum of its proper divisors (697082467).

318988223453 is an equidigital number, since it uses as much as digits as its factorization.

318988223453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86707.

The product of its digits is 9953280, while the sum is 56.

The spelling of 318988223453 in words is "three hundred eighteen billion, nine hundred eighty-eight million, two hundred twenty-three thousand, four hundred fifty-three".