1968353223 has 4 divisors (see below), whose sum is σ = 2624470968. Its totient is φ = 1312235480.

The previous prime is 1968353213. The next prime is 1968353243. The reversal of 1968353223 is 3223538691.

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 1968353223 - 2⁶ = 1968353159 is a prime.

It is a super-3 number, since 3×1968353223³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968353213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328058868 + ... + 328058873.

It is an arithmetic number, because the mean of its divisors is an integer number (656117742).

Almost surely, 2^1968353223 is an apocalyptic number.

1968353223 is a deficient number, since it is larger than the sum of its proper divisors (656117745).

1968353223 is an equidigital number, since it uses as much as digits as its factorization.

1968353223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656117744.

The product of its digits is 233280, while the sum is 42.

The square root of 1968353223 is about 44366.1269776842. The cubic root of 1968353223 is about 1253.2402807799.

The spelling of 1968353223 in words is "one billion, nine hundred sixty-eight million, three hundred fifty-three thousand, two hundred twenty-three".