2130423400 has 48 divisors (see below), whose sum is σ = 5660843040. Its totient is φ = 730430400.

The previous prime is 2130423377. The next prime is 2130423403. The reversal of 2130423400 is 43240312.

It is not an unprimeable number, because it can be changed into a prime (2130423403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759466 + ... + 762265.

It is an arithmetic number, because the mean of its divisors is an integer number (117934230).

Almost surely, 2^2130423400 is an apocalyptic number.

2130423400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130423400 is an abundant number, since it is smaller than the sum of its proper divisors (3530419640).

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

2130423400 is a wasteful number, since it uses less digits than its factorization.

2130423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521754 (or 1521745 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2130423400 is about 46156.5098333919. The cubic root of 2130423400 is about 1286.7335986134.

Adding to 2130423400 its reverse (43240312), we get a palindrome (2173663712).

The spelling of 2130423400 in words is "two billion, one hundred thirty million, four hundred twenty-three thousand, four hundred".