235409145122 has 6 divisors (see below), whose sum is σ = 353114746929. Its totient is φ = 117704229480.

The previous prime is 235409145119. The next prime is 235409145151. The reversal of 235409145122 is 221541904532.

It can be written as a sum of positive squares in 2 ways, for example, as 153343511281 + 82065633841 = 391591^2 + 286471^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=343081.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 514622 + ... + 857702.

Almost surely, 2^235409145122 is an apocalyptic number.

235409145122 is a deficient number, since it is larger than the sum of its proper divisors (117705601807).

235409145122 is an frugal number, since it uses more digits than its factorization.

235409145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686164 (or 343083 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 235409145122 in words is "two hundred thirty-five billion, four hundred nine million, one hundred forty-five thousand, one hundred twenty-two".