432340223257 has 2 divisors, whose sum is σ = 432340223258. Its totient is φ = 432340223256.

The previous prime is 432340223243. The next prime is 432340223279. The reversal of 432340223257 is 752322043234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411722422336 + 20617800921 = 641656^2 + 143589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432340223257 is a prime.

It is not a weakly prime, because it can be changed into another prime (432340223657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216170111628 + 216170111629.

It is an arithmetic number, because the mean of its divisors is an integer number (216170111629).

Almost surely, 2^432340223257 is an apocalyptic number.

It is an amenable number.

432340223257 is a deficient number, since it is larger than the sum of its proper divisors (1).

432340223257 is an equidigital number, since it uses as much as digits as its factorization.

432340223257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 432340223257 in words is "four hundred thirty-two billion, three hundred forty million, two hundred twenty-three thousand, two hundred fifty-seven".