2351223168 has 64 divisors (see below), whose sum is σ = 7137649920. Its totient is φ = 671777280.

The previous prime is 2351223167. The next prime is 2351223197. The reversal of 2351223168 is 8613221532.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351223167) 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, 434668 + ... + 440043.

It is an arithmetic number, because the mean of its divisors is an integer number (111525780).

Almost surely, 2^2351223168 is an apocalyptic number.

2351223168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2351223168 is an abundant number, since it is smaller than the sum of its proper divisors (4786426752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2351223168 is an equidigital number, since it uses as much as digits as its factorization.

2351223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874735 (or 874723 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 2351223168 is about 48489.4129475703. The cubic root of 2351223168 is about 1329.7335226578.

The spelling of 2351223168 in words is "two billion, three hundred fifty-one million, two hundred twenty-three thousand, one hundred sixty-eight".