2123260500 has 48 divisors (see below), whose sum is σ = 6182938944. Its totient is φ = 566202400.

The previous prime is 2123260457. The next prime is 2123260511. The reversal of 2123260500 is 50623212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706254 + ... + 709253.

It is an arithmetic number, because the mean of its divisors is an integer number (128811228).

Almost surely, 2^2123260500 is an apocalyptic number.

2123260500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123260500 is an abundant number, since it is smaller than the sum of its proper divisors (4059678444).

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

2123260500 is a wasteful number, since it uses less digits than its factorization.

2123260500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415529 (or 1415517 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2123260500 is about 46078.8508971307. The cubic root of 2123260500 is about 1285.2898960877.

Adding to 2123260500 its reverse (50623212), we get a palindrome (2173883712).

The spelling of 2123260500 in words is "two billion, one hundred twenty-three million, two hundred sixty thousand, five hundred".