234213445505 has 16 divisors (see below), whose sum is σ = 305672636304. Its totient is φ = 171245164800.

The previous prime is 234213445481. The next prime is 234213445549. The reversal of 234213445505 is 505544312432.

It can be written as a sum of positive squares in 8 ways, for example, as 14747430721 + 219466014784 = 121439^2 + 468472^2 .

It is not a de Polignac number, because 234213445505 - 2¹⁶ = 234213379969 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 17831474 + ... + 17844603.

It is an arithmetic number, because the mean of its divisors is an integer number (19104539769).

Almost surely, 2^234213445505 is an apocalyptic number.

It is an amenable number.

234213445505 is a deficient number, since it is larger than the sum of its proper divisors (71459190799).

234213445505 is a wasteful number, since it uses less digits than its factorization.

234213445505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35676196.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 234213445505 its reverse (505544312432), we get a palindrome (739757757937).

The spelling of 234213445505 in words is "two hundred thirty-four billion, two hundred thirteen million, four hundred forty-five thousand, five hundred five".