2123310320 has 40 divisors (see below), whose sum is σ = 5151339936. Its totient is φ = 812396288.

The previous prime is 2123310317. The next prime is 2123310331. The reversal of 2123310320 is 230133212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575147 + ... + 578826.

Almost surely, 2^2123310320 is an apocalyptic number.

2123310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123310320 is an abundant number, since it is smaller than the sum of its proper divisors (3028029616).

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

2123310320 is a wasteful number, since it uses less digits than its factorization.

2123310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154009 (or 1154003 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2123310320 is about 46079.3914890377. The cubic root of 2123310320 is about 1285.2999486526.

Adding to 2123310320 its reverse (230133212), we get a palindrome (2353443532).

The spelling of 2123310320 in words is "two billion, one hundred twenty-three million, three hundred ten thousand, three hundred twenty".