231423342014321 has 2 divisors, whose sum is σ = 231423342014322. Its totient is φ = 231423342014320.

The previous prime is 231423342014281. The next prime is 231423342014399. The reversal of 231423342014321 is 123410243324132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157952386903921 + 73470955110400 = 12567911^2 + 8571520^2 .

It is a cyclic number.

It is not a de Polignac number, because 231423342014321 - 2¹⁴ = 231423341997937 is a prime.

It is not a weakly prime, because it can be changed into another prime (231423342014021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115711671007160 + 115711671007161.

It is an arithmetic number, because the mean of its divisors is an integer number (115711671007161).

Almost surely, 2^{231423342014321} is an apocalyptic number.

It is an amenable number.

231423342014321 is a deficient number, since it is larger than the sum of its proper divisors (1).

231423342014321 is an equidigital number, since it uses as much as digits as its factorization.

231423342014321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 231423342014321 its reverse (123410243324132), we get a palindrome (354833585338453).

The spelling of 231423342014321 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, three hundred forty-two million, fourteen thousand, three hundred twenty-one".