2103124323400 has 96 divisors (see below), whose sum is σ = 4923678614400. Its totient is φ = 835428038400.

The previous prime is 2103124323383. The next prime is 2103124323431. The reversal of 2103124323400 is 43234213012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25987399 + ... + 26068201.

It is an arithmetic number, because the mean of its divisors is an integer number (51288318900).

Almost surely, 2^{2103124323400} is an apocalyptic number.

2103124323400 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 2103124323400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461839307200).

2103124323400 is an abundant number, since it is smaller than the sum of its proper divisors (2820554291000).

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

2103124323400 is a wasteful number, since it uses less digits than its factorization.

2103124323400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81719 (or 81710 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2103124323400 its reverse (43234213012), we get a palindrome (2146358536412).

The spelling of 2103124323400 in words is "two trillion, one hundred three billion, one hundred twenty-four million, three hundred twenty-three thousand, four hundred".