2123040300 has 72 divisors (see below), whose sum is σ = 6409756416. Its totient is φ = 541527360.

The previous prime is 2123040299. The next prime is 2123040341. The reversal of 2123040300 is 30403212.

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 2123040300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146944 + ... + 160743.

Almost surely, 2^2123040300 is an apocalyptic number.

2123040300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123040300 is an abundant number, since it is smaller than the sum of its proper divisors (4286716116).

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

2123040300 is a wasteful number, since it uses less digits than its factorization.

2123040300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307727 (or 307720 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2123040300 is about 46076.4614526767. The cubic root of 2123040300 is about 1285.2454627552.

Adding to 2123040300 its reverse (30403212), we get a palindrome (2153443512).

The spelling of 2123040300 in words is "two billion, one hundred twenty-three million, forty thousand, three hundred".