340032423553 has 2 divisors, whose sum is σ = 340032423554. Its totient is φ = 340032423552.

The previous prime is 340032423551. The next prime is 340032423589. The reversal of 340032423553 is 355324230043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338994101824 + 1038321729 = 582232^2 + 32223^2 .

It is a cyclic number.

It is not a de Polignac number, because 340032423553 - 2¹ = 340032423551 is a prime.

Together with 340032423551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340032423551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170016211776 + 170016211777.

It is an arithmetic number, because the mean of its divisors is an integer number (170016211777).

Almost surely, 2^340032423553 is an apocalyptic number.

It is an amenable number.

340032423553 is a deficient number, since it is larger than the sum of its proper divisors (1).

340032423553 is an equidigital number, since it uses as much as digits as its factorization.

340032423553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 340032423553 its reverse (355324230043), we get a palindrome (695356653596).

The spelling of 340032423553 in words is "three hundred forty billion, thirty-two million, four hundred twenty-three thousand, five hundred fifty-three".