2004123400 has 48 divisors (see below), whose sum is σ = 4862188800. Its totient is φ = 766793280.

The previous prime is 2004123391. The next prime is 2004123467. The reversal of 2004123400 is 43214002.

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, 213240 + ... + 222439.

It is an arithmetic number, because the mean of its divisors is an integer number (101295600).

Almost surely, 2^2004123400 is an apocalyptic number.

2004123400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004123400 is an abundant number, since it is smaller than the sum of its proper divisors (2858065400).

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

2004123400 is a wasteful number, since it uses less digits than its factorization.

2004123400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435718 (or 435709 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2004123400 is about 44767.4368263362. The cubic root of 2004123400 is about 1260.7863152707.

Adding to 2004123400 its reverse (43214002), we get a palindrome (2047337402).

The spelling of 2004123400 in words is "two billion, four million, one hundred twenty-three thousand, four hundred".