123354202214453 has 16 divisors (see below), whose sum is σ = 141485198238720. Its totient is φ = 105350589914496.

The previous prime is 123354202214447. The next prime is 123354202214533. The reversal of 123354202214453 is 354412202453321.

It is a cyclic number.

It is not a de Polignac number, because 123354202214453 - 2⁶ = 123354202214389 is a prime.

It is a super-2 number, since 2×123354202214453² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123354202214453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123354202214423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521953 + ... + 16344921.

It is an arithmetic number, because the mean of its divisors is an integer number (8842824889920).

Almost surely, 2^{123354202214453} is an apocalyptic number.

It is an amenable number.

123354202214453 is a deficient number, since it is larger than the sum of its proper divisors (18130996024267).

123354202214453 is a wasteful number, since it uses less digits than its factorization.

123354202214453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828356.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 123354202214453 its reverse (354412202453321), we get a palindrome (477766404667774).

The spelling of 123354202214453 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred two million, two hundred fourteen thousand, four hundred fifty-three".