123354202214447 has 2 divisors, whose sum is σ = 123354202214448. Its totient is φ = 123354202214446.

The previous prime is 123354202214423. The next prime is 123354202214533. The reversal of 123354202214447 is 744412202453321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123354202214447 - 2²² = 123354198020143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123354202214398 and 123354202214407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123354202214407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677101107223 + 61677101107224.

It is an arithmetic number, because the mean of its divisors is an integer number (61677101107224).

Almost surely, 2^{123354202214447} is an apocalyptic number.

123354202214447 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354202214447 is an equidigital number, since it uses as much as digits as its factorization.

123354202214447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 44.

Adding to 123354202214447 its reverse (744412202453321), we get a palindrome (867766404667768).

The spelling of 123354202214447 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred two million, two hundred fourteen thousand, four hundred forty-seven".