1204123403400 has 96 divisors (see below), whose sum is σ = 3742954304640. Its totient is φ = 320224584960.

The previous prime is 1204123403389. The next prime is 1204123403437. The reversal of 1204123403400 is 43043214021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2513959 + ... + 2954358.

It is an arithmetic number, because the mean of its divisors is an integer number (38989107340).

Almost surely, 2^{1204123403400} is an apocalyptic number.

1204123403400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204123403400 is an abundant number, since it is smaller than the sum of its proper divisors (2538830901240).

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

1204123403400 is a wasteful number, since it uses less digits than its factorization.

1204123403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468703 (or 5468694 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1204123403400 its reverse (43043214021), we get a palindrome (1247166617421).

The spelling of 1204123403400 in words is "one trillion, two hundred four billion, one hundred twenty-three million, four hundred three thousand, four hundred".