318326623 has 2 divisors, whose sum is σ = 318326624. Its totient is φ = 318326622.

The previous prime is 318326621. The next prime is 318326633. The reversal of 318326623 is 326623813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318326623 - 2¹ = 318326621 is a prime.

Together with 318326621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318326621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159163311 + 159163312.

It is an arithmetic number, because the mean of its divisors is an integer number (159163312).

Almost surely, 2^318326623 is an apocalyptic number.

318326623 is a deficient number, since it is larger than the sum of its proper divisors (1).

318326623 is an equidigital number, since it uses as much as digits as its factorization.

318326623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 318326623 is about 17841.7102039014. The cubic root of 318326623 is about 682.7960300332.

The spelling of 318326623 in words is "three hundred eighteen million, three hundred twenty-six thousand, six hundred twenty-three".