235243121 has 2 divisors, whose sum is σ = 235243122. Its totient is φ = 235243120.

The previous prime is 235243087. The next prime is 235243133. The reversal of 235243121 is 121342532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181953121 + 53290000 = 13489^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 235243121 - 2¹⁴ = 235226737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (235243171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117621560 + 117621561.

It is an arithmetic number, because the mean of its divisors is an integer number (117621561).

Almost surely, 2^235243121 is an apocalyptic number.

It is an amenable number.

235243121 is a deficient number, since it is larger than the sum of its proper divisors (1).

235243121 is an equidigital number, since it uses as much as digits as its factorization.

235243121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 235243121 is about 15337.6373995476. The cubic root of 235243121 is about 617.3133145988.

Adding to 235243121 its reverse (121342532), we get a palindrome (356585653).

The spelling of 235243121 in words is "two hundred thirty-five million, two hundred forty-three thousand, one hundred twenty-one".