1243020230244 has 36 divisors (see below), whose sum is σ = 3383777294716. Its totient is φ = 382467763008.

The previous prime is 1243020230219. The next prime is 1243020230303. The reversal of 1243020230244 is 4420320203421.

1243020230244 is a `hidden beast` number, since 1 + 2 + 430 + 202 + 3 + 0 + 24 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 235164863844 + 1007855366400 = 484938^2 + 1003920^2 .

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, 1328012599 + ... + 1328013534.

Almost surely, 2^{1243020230244} is an apocalyptic number.

It is an amenable number.

1243020230244 is an abundant number, since it is smaller than the sum of its proper divisors (2140757064472).

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

1243020230244 is a wasteful number, since it uses less digits than its factorization.

1243020230244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656026156 (or 2656026151 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1243020230244 its reverse (4420320203421), we get a palindrome (5663340433665).

The spelling of 1243020230244 in words is "one trillion, two hundred forty-three billion, twenty million, two hundred thirty thousand, two hundred forty-four".