1204000423146 has 24 divisors (see below), whose sum is σ = 2608695481860. Its totient is φ = 401329182336.

The previous prime is 1204000423133. The next prime is 1204000423177. The reversal of 1204000423146 is 6413240004021.

It is a happy number.

1204000423146 is a `hidden beast` number, since 1 + 20 + 400 + 0 + 4 + 231 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1031392580625 + 172607842521 = 1015575^2 + 415461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1688596 + ... + 2293328.

Almost surely, 2^{1204000423146} is an apocalyptic number.

1204000423146 is an abundant number, since it is smaller than the sum of its proper divisors (1404695058714).

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

1204000423146 is a wasteful number, since it uses less digits than its factorization.

1204000423146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715350 (or 715347 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1204000423146 its reverse (6413240004021), we get a palindrome (7617240427167).

The spelling of 1204000423146 in words is "one trillion, two hundred four billion, four hundred twenty-three thousand, one hundred forty-six".