1231340130223 has 64 divisors (see below), whose sum is σ = 1547922862080. Its totient is φ = 956429337600.

The previous prime is 1231340130217. The next prime is 1231340130227. The reversal of 1231340130223 is 3220310431321.

It is a cyclic number.

It is not a de Polignac number, because 1231340130223 - 2¹⁷ = 1231339999151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231340130227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132127558 + ... + 132136876.

It is an arithmetic number, because the mean of its divisors is an integer number (24186294720).

Almost surely, 2^{1231340130223} is an apocalyptic number.

1231340130223 is a deficient number, since it is larger than the sum of its proper divisors (316582731857).

1231340130223 is a wasteful number, since it uses less digits than its factorization.

1231340130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1231340130223 its reverse (3220310431321), we get a palindrome (4451650561544).

The spelling of 1231340130223 in words is "one trillion, two hundred thirty-one billion, three hundred forty million, one hundred thirty thousand, two hundred twenty-three".