2123103120 has 40 divisors (see below), whose sum is σ = 6581620416. Its totient is φ = 566160768.

The previous prime is 2123103083. The next prime is 2123103133. The reversal of 2123103120 is 213013212.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2123103120.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4422892 + ... + 4423371.

Almost surely, 2^2123103120 is an apocalyptic number.

2123103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123103120 is an abundant number, since it is smaller than the sum of its proper divisors (4458517296).

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

2123103120 is a wasteful number, since it uses less digits than its factorization.

2123103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846279 (or 8846273 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2123103120 is about 46077.1431406071. The cubic root of 2123103120 is about 1285.2581392807.

Adding to 2123103120 its reverse (213013212), we get a palindrome (2336116332).

The spelling of 2123103120 in words is "two billion, one hundred twenty-three million, one hundred three thousand, one hundred twenty".