122553452350643 has 2 divisors, whose sum is σ = 122553452350644. Its totient is φ = 122553452350642.

The previous prime is 122553452350639. The next prime is 122553452350663. The reversal of 122553452350643 is 346053254355221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122553452350643 - 2² = 122553452350639 is a prime.

It is a super-2 number, since 2×122553452350643² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122553452350591 and 122553452350600.

It is not a weakly prime, because it can be changed into another prime (122553452350663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276726175321 + 61276726175322.

It is an arithmetic number, because the mean of its divisors is an integer number (61276726175322).

Almost surely, 2^{122553452350643} is an apocalyptic number.

122553452350643 is a deficient number, since it is larger than the sum of its proper divisors (1).

122553452350643 is an equidigital number, since it uses as much as digits as its factorization.

122553452350643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960000, while the sum is 50.

The spelling of 122553452350643 in words is "one hundred twenty-two trillion, five hundred fifty-three billion, four hundred fifty-two million, three hundred fifty thousand, six hundred forty-three".