2123402300 has 72 divisors (see below), whose sum is σ = 4734540720. Its totient is φ = 826124800.

The previous prime is 2123402293. The next prime is 2123402327. The reversal of 2123402300 is 32043212.

It is a congruent number.

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, 1914146 + ... + 1915254.

It is an arithmetic number, because the mean of its divisors is an integer number (65757510).

Almost surely, 2^2123402300 is an apocalyptic number.

2123402300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123402300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367270360).

2123402300 is an abundant number, since it is smaller than the sum of its proper divisors (2611138420).

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

2123402300 is a wasteful number, since it uses less digits than its factorization.

2123402300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2123402300 is about 46080.3895382841. The cubic root of 2123402300 is about 1285.3185077521.

Adding to 2123402300 its reverse (32043212), we get a palindrome (2155445512).

The spelling of 2123402300 in words is "two billion, one hundred twenty-three million, four hundred two thousand, three hundred".