235121478147 has 6 divisors (see below), whose sum is σ = 339619912892. Its totient is φ = 156747652092.

The previous prime is 235121478139. The next prime is 235121478167. The reversal of 235121478147 is 741874121532.

It is a happy number.

235121478147 is a `hidden beast` number, since 2 + 3 + 512 + 14 + 7 + 81 + 47 = 666.

It is not a de Polignac number, because 235121478147 - 2³ = 235121478139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235121478107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13062304333 + ... + 13062304350.

Almost surely, 2^235121478147 is an apocalyptic number.

235121478147 is a deficient number, since it is larger than the sum of its proper divisors (104498434745).

235121478147 is a wasteful number, since it uses less digits than its factorization.

235121478147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26124608689 (or 26124608686 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

Adding to 235121478147 its reverse (741874121532), we get a palindrome (976995599679).

The spelling of 235121478147 in words is "two hundred thirty-five billion, one hundred twenty-one million, four hundred seventy-eight thousand, one hundred forty-seven".