35220345223 has 16 divisors (see below), whose sum is σ = 40668987456. Its totient is φ = 29876797440.

The previous prime is 35220345217. The next prime is 35220345229. The reversal of 35220345223 is 32254302253.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (35220345217) and next prime (35220345229).

It is a de Polignac number, because none of the positive numbers 2^k-35220345223 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 (35220345229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499263 + ... + 565423.

It is an arithmetic number, because the mean of its divisors is an integer number (2541811716).

Almost surely, 2^35220345223 is an apocalyptic number.

35220345223 is a deficient number, since it is larger than the sum of its proper divisors (5448642233).

35220345223 is a wasteful number, since it uses less digits than its factorization.

35220345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66954.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 35220345223 its reverse (32254302253), we get a palindrome (67474647476).

The spelling of 35220345223 in words is "thirty-five billion, two hundred twenty million, three hundred forty-five thousand, two hundred twenty-three".