320348953 has 8 divisors (see below), whose sum is σ = 322901568. Its totient is φ = 317803824.

The previous prime is 320348921. The next prime is 320348981. The reversal of 320348953 is 359843023.

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 320348953 - 2⁵ = 320348921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320348653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108900 + ... + 111802.

It is an arithmetic number, because the mean of its divisors is an integer number (40362696).

Almost surely, 2^320348953 is an apocalyptic number.

It is an amenable number.

320348953 is a deficient number, since it is larger than the sum of its proper divisors (2552615).

320348953 is a wasteful number, since it uses less digits than its factorization.

320348953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 320348953 is about 17898.2946953055. The cubic root of 320348953 is about 684.2389138670.

The spelling of 320348953 in words is "three hundred twenty million, three hundred forty-eight thousand, nine hundred fifty-three".