1232340413897 has 2 divisors, whose sum is σ = 1232340413898. Its totient is φ = 1232340413896.

The previous prime is 1232340413893. The next prime is 1232340414031. The reversal of 1232340413897 is 7983140432321.

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., 781970572681 + 450369841216 = 884291^2 + 671096^2 .

It is an emirp because it is prime and its reverse (7983140432321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232340413897 - 2² = 1232340413893 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232340413893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616170206948 + 616170206949.

It is an arithmetic number, because the mean of its divisors is an integer number (616170206949).

Almost surely, 2^{1232340413897} is an apocalyptic number.

It is an amenable number.

1232340413897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232340413897 is an equidigital number, since it uses as much as digits as its factorization.

1232340413897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 1232340413897 in words is "one trillion, two hundred thirty-two billion, three hundred forty million, four hundred thirteen thousand, eight hundred ninety-seven".