235454435121 has 4 divisors (see below), whose sum is σ = 313939246832. Its totient is φ = 156969623412.

The previous prime is 235454435107. The next prime is 235454435143. The reversal of 235454435121 is 121534454532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 235454435121 - 2⁷ = 235454434993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235454435121.

It is not an unprimeable number, because it can be changed into a prime (235454435101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39242405851 + ... + 39242405856.

It is an arithmetic number, because the mean of its divisors is an integer number (78484811708).

Almost surely, 2^235454435121 is an apocalyptic number.

It is an amenable number.

235454435121 is a deficient number, since it is larger than the sum of its proper divisors (78484811711).

235454435121 is an equidigital number, since it uses as much as digits as its factorization.

235454435121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78484811710.

The product of its digits is 288000, while the sum is 39.

Adding to 235454435121 its reverse (121534454532), we get a palindrome (356988889653).

The spelling of 235454435121 in words is "two hundred thirty-five billion, four hundred fifty-four million, four hundred thirty-five thousand, one hundred twenty-one".