235143312106 has 4 divisors (see below), whose sum is σ = 352714968162. Its totient is φ = 117571656052.

The previous prime is 235143312083. The next prime is 235143312113. The reversal of 235143312106 is 601213341532.

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

It can be written as a sum of positive squares in only one way, i.e., 233152813881 + 1990498225 = 482859^2 + 44615^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58785828025 + ... + 58785828028.

Almost surely, 2^235143312106 is an apocalyptic number.

235143312106 is a deficient number, since it is larger than the sum of its proper divisors (117571656056).

235143312106 is a wasteful number, since it uses less digits than its factorization.

235143312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117571656055.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 235143312106 its reverse (601213341532), we get a palindrome (836356653638).

The spelling of 235143312106 in words is "two hundred thirty-five billion, one hundred forty-three million, three hundred twelve thousand, one hundred six".