235128033 has 12 divisors (see below), whose sum is σ = 388147968. Its totient is φ = 134358840.

The previous prime is 235128017. The next prime is 235128043. The reversal of 235128033 is 330821532.

235128033 is a `hidden beast` number, since 2 + 351 + 280 + 33 = 666.

It is not a de Polignac number, because 235128033 - 2⁴ = 235128017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 235127988 and 235128006.

It is not an unprimeable number, because it can be changed into a prime (235128013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866033 + ... + 1866158.

It is an arithmetic number, because the mean of its divisors is an integer number (32345664).

Almost surely, 2^235128033 is an apocalyptic number.

It is an amenable number.

235128033 is a deficient number, since it is larger than the sum of its proper divisors (153019935).

235128033 is a wasteful number, since it uses less digits than its factorization.

235128033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732204 (or 3732201 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 235128033 is about 15333.8851241295. The cubic root of 235128033 is about 617.2126287729.

Adding to 235128033 its reverse (330821532), we get a palindrome (565949565).

The spelling of 235128033 in words is "two hundred thirty-five million, one hundred twenty-eight thousand, thirty-three".