1231240330323 has 24 divisors (see below), whose sum is σ = 1817493163200. Its totient is φ = 803001423744.

The previous prime is 1231240330289. The next prime is 1231240330367. The reversal of 1231240330323 is 3230330421321.

1231240330323 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 2 + 4 + 0 + 330 + 323 = 666.

It is not a de Polignac number, because 1231240330323 - 2⁹ = 1231240329811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231240330373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7866090 + ... + 8021087.

It is an arithmetic number, because the mean of its divisors is an integer number (75728881800).

Almost surely, 2^{1231240330323} is an apocalyptic number.

1231240330323 is a deficient number, since it is larger than the sum of its proper divisors (586252832877).

1231240330323 is a wasteful number, since it uses less digits than its factorization.

1231240330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887371 (or 15887368 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1231240330323 its reverse (3230330421321), we get a palindrome (4461570751644).

The spelling of 1231240330323 in words is "one trillion, two hundred thirty-one billion, two hundred forty million, three hundred thirty thousand, three hundred twenty-three".