354445222544423 has 2 divisors, whose sum is σ = 354445222544424. Its totient is φ = 354445222544422.

The previous prime is 354445222544407. The next prime is 354445222544513. The reversal of 354445222544423 is 324445222544453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354445222544423 - 2⁴ = 354445222544407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354445222544123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222611272211 + 177222611272212.

It is an arithmetic number, because the mean of its divisors is an integer number (177222611272212).

Almost surely, 2^{354445222544423} is an apocalyptic number.

354445222544423 is a deficient number, since it is larger than the sum of its proper divisors (1).

354445222544423 is an equidigital number, since it uses as much as digits as its factorization.

354445222544423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728000, while the sum is 53.

The spelling of 354445222544423 in words is "three hundred fifty-four trillion, four hundred forty-five billion, two hundred twenty-two million, five hundred forty-four thousand, four hundred twenty-three".