353540423 has 2 divisors, whose sum is σ = 353540424. Its totient is φ = 353540422.

The previous prime is 353540389. The next prime is 353540471. The reversal of 353540423 is 324045353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 353540423 - 2⁶ = 353540359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353540623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176770211 + 176770212.

It is an arithmetic number, because the mean of its divisors is an integer number (176770212).

Almost surely, 2^353540423 is an apocalyptic number.

353540423 is a deficient number, since it is larger than the sum of its proper divisors (1).

353540423 is an equidigital number, since it uses as much as digits as its factorization.

353540423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 353540423 is about 18802.6706347795. The cubic root of 353540423 is about 707.0981360187.

Adding to 353540423 its reverse (324045353), we get a palindrome (677585776).

The spelling of 353540423 in words is "three hundred fifty-three million, five hundred forty thousand, four hundred twenty-three".