1223130302344 has 8 divisors (see below), whose sum is σ = 2293369316910. Its totient is φ = 611565151168.

The previous prime is 1223130302309. The next prime is 1223130302351. The reversal of 1223130302344 is 4432030313221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1116534582244 + 106595720100 = 1056662^2 + 326490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76445643889 + ... + 76445643904.

Almost surely, 2^{1223130302344} is an apocalyptic number.

It is an amenable number.

1223130302344 is a deficient number, since it is larger than the sum of its proper divisors (1070239014566).

1223130302344 is a wasteful number, since it uses less digits than its factorization.

1223130302344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152891287799 (or 152891287795 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1223130302344 its reverse (4432030313221), we get a palindrome (5655160615565).

The spelling of 1223130302344 in words is "one trillion, two hundred twenty-three billion, one hundred thirty million, three hundred two thousand, three hundred forty-four".