2143004223400 has 48 divisors (see below), whose sum is σ = 5008571216640. Its totient is φ = 852713707200.

The previous prime is 2143004223389. The next prime is 2143004223443. The reversal of 2143004223400 is 43224003412.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28011594 + ... + 28087993.

It is an arithmetic number, because the mean of its divisors is an integer number (104345233680).

Almost surely, 2^{2143004223400} is an apocalyptic number.

2143004223400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143004223400 is an abundant number, since it is smaller than the sum of its proper divisors (2865566993240).

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

2143004223400 is a wasteful number, since it uses less digits than its factorization.

2143004223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56099794 (or 56099785 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2143004223400 its reverse (43224003412), we get a palindrome (2186228226812).

The spelling of 2143004223400 in words is "two trillion, one hundred forty-three billion, four million, two hundred twenty-three thousand, four hundred".