352561423 has 2 divisors, whose sum is σ = 352561424. Its totient is φ = 352561422.

The previous prime is 352561421. The next prime is 352561463. The reversal of 352561423 is 324165253.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 352561423 - 2¹ = 352561421 is a prime.

Together with 352561421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352561421) 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, 176280711 + 176280712.

It is an arithmetic number, because the mean of its divisors is an integer number (176280712).

Almost surely, 2^352561423 is an apocalyptic number.

352561423 is a deficient number, since it is larger than the sum of its proper divisors (1).

352561423 is an equidigital number, since it uses as much as digits as its factorization.

352561423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 352561423 is about 18776.6190513628. The cubic root of 352561423 is about 706.4448500093. Note that the first 3 decimals are identical.

The spelling of 352561423 in words is "three hundred fifty-two million, five hundred sixty-one thousand, four hundred twenty-three".