353420523 has 8 divisors (see below), whose sum is σ = 523586000. Its totient is φ = 235613664.

The previous prime is 353420503. The next prime is 353420563. The reversal of 353420523 is 325024353.

It is not a de Polignac number, because 353420523 - 2⁸ = 353420267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13089649 = 353420523 / (3 + 5 + 3 + 4 + 2 + 0 + 5 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353420503) 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 in 7 ways as a sum of consecutive naturals, for example, 6544798 + ... + 6544851.

It is an arithmetic number, because the mean of its divisors is an integer number (65448250).

Almost surely, 2^353420523 is an apocalyptic number.

353420523 is a deficient number, since it is larger than the sum of its proper divisors (170165477).

353420523 is a wasteful number, since it uses less digits than its factorization.

353420523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089658 (or 13089652 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 353420523 is about 18799.4819875442. The cubic root of 353420523 is about 707.0181916926.

Adding to 353420523 its reverse (325024353), we get a palindrome (678444876).

The spelling of 353420523 in words is "three hundred fifty-three million, four hundred twenty thousand, five hundred twenty-three".