354532200122423 has 4 divisors (see below), whose sum is σ = 375387035423760. Its totient is φ = 333677364821088.

The previous prime is 354532200122351. The next prime is 354532200122449. The reversal of 354532200122423 is 324221002235453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354532200122423 - 2¹⁰ = 354532200121399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354532200122453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10427417650643 + ... + 10427417650676.

It is an arithmetic number, because the mean of its divisors is an integer number (93846758855940).

Almost surely, 2^{354532200122423} is an apocalyptic number.

354532200122423 is a deficient number, since it is larger than the sum of its proper divisors (20854835301337).

354532200122423 is a wasteful number, since it uses less digits than its factorization.

354532200122423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20854835301336.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 354532200122423 its reverse (324221002235453), we get a palindrome (678753202357876).

The spelling of 354532200122423 in words is "three hundred fifty-four trillion, five hundred thirty-two billion, two hundred million, one hundred twenty-two thousand, four hundred twenty-three".