235453203505 has 32 divisors (see below), whose sum is σ = 306963254304. Its totient is φ = 172345245696.

The previous prime is 235453203451. The next prime is 235453203523. The reversal of 235453203505 is 505302354532.

It can be written as a sum of positive squares in 16 ways, for example, as 93166573824 + 142286629681 = 305232^2 + 377209^2 .

It is not a de Polignac number, because 235453203505 - 2⁹ = 235453202993 is a prime.

It is a super-2 number, since 2×235453203505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3441087 + ... + 3508843.

It is an arithmetic number, because the mean of its divisors is an integer number (9592601697).

Almost surely, 2^235453203505 is an apocalyptic number.

It is an amenable number.

235453203505 is a deficient number, since it is larger than the sum of its proper divisors (71510050799).

235453203505 is a wasteful number, since it uses less digits than its factorization.

235453203505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68245.

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 235453203505 in words is "two hundred thirty-five billion, four hundred fifty-three million, two hundred three thousand, five hundred five".