235243201405 has 4 divisors (see below), whose sum is σ = 282291841692. Its totient is φ = 188194561120.

The previous prime is 235243201393. The next prime is 235243201411. The reversal of 235243201405 is 504102342532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109522607364 + 125720594041 = 330942^2 + 354571^2 .

It is not a de Polignac number, because 235243201405 - 2¹⁷ = 235243070333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23524320136 + ... + 23524320145.

It is an arithmetic number, because the mean of its divisors is an integer number (70572960423).

Almost surely, 2^235243201405 is an apocalyptic number.

It is an amenable number.

235243201405 is a deficient number, since it is larger than the sum of its proper divisors (47048640287).

235243201405 is an equidigital number, since it uses as much as digits as its factorization.

235243201405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47048640286.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 235243201405 its reverse (504102342532), we get a palindrome (739345543937).

The spelling of 235243201405 in words is "two hundred thirty-five billion, two hundred forty-three million, two hundred one thousand, four hundred five".