1303423231112 has 8 divisors (see below), whose sum is σ = 2443918558350. Its totient is φ = 651711615552.

The previous prime is 1303423231087. The next prime is 1303423231139. The reversal of 1303423231112 is 2111323243031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 902321408836 + 401101822276 = 949906^2 + 633326^2 .

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81463951937 + ... + 81463951952.

Almost surely, 2^{1303423231112} is an apocalyptic number.

It is an amenable number.

1303423231112 is a deficient number, since it is larger than the sum of its proper divisors (1140495327238).

1303423231112 is a wasteful number, since it uses less digits than its factorization.

1303423231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162927903895 (or 162927903891 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1303423231112 its reverse (2111323243031), we get a palindrome (3414746474143).

The spelling of 1303423231112 in words is "one trillion, three hundred three billion, four hundred twenty-three million, two hundred thirty-one thousand, one hundred twelve".