2123010320 has 40 divisors (see below), whose sum is σ = 5226355224. Its totient is φ = 799250432.

The previous prime is 2123010311. The next prime is 2123010341. The reversal of 2123010320 is 230103212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 759333136 + 1363677184 = 27556^2 + 36928^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2123010295 and 2123010304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779159 + ... + 781878.

Almost surely, 2^2123010320 is an apocalyptic number.

2123010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123010320 is an abundant number, since it is smaller than the sum of its proper divisors (3103344904).

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

2123010320 is a wasteful number, since it uses less digits than its factorization.

2123010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561067 (or 1561061 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2123010320 is about 46076.1361227263. The cubic root of 2123010320 is about 1285.2394129658.

Adding to 2123010320 its reverse (230103212), we get a palindrome (2353113532).

The spelling of 2123010320 in words is "two billion, one hundred twenty-three million, ten thousand, three hundred twenty".