1243110423204 has 36 divisors (see below), whose sum is σ = 3384022819996. Its totient is φ = 382495514688.

The previous prime is 1243110423199. The next prime is 1243110423251. The reversal of 1243110423204 is 4023240113421.

1243110423204 is a `hidden beast` number, since 1 + 2 + 4 + 31 + 1 + 0 + 423 + 204 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 737657676900 + 505452746304 = 858870^2 + 710952^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 1328108959 + ... + 1328109894.

Almost surely, 2^{1243110423204} is an apocalyptic number.

It is an amenable number.

1243110423204 is an abundant number, since it is smaller than the sum of its proper divisors (2140912396792).

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

1243110423204 is a wasteful number, since it uses less digits than its factorization.

1243110423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656218876 (or 2656218871 counting only the distinct ones).

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

Adding to 1243110423204 its reverse (4023240113421), we get a palindrome (5266350536625).

The spelling of 1243110423204 in words is "one trillion, two hundred forty-three billion, one hundred ten million, four hundred twenty-three thousand, two hundred four".