235123001 has 4 divisors (see below), whose sum is σ = 235312500. Its totient is φ = 234933504.

The previous prime is 235122989. The next prime is 235123013. The reversal of 235123001 is 100321532.

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

It is an interprime number because it is at equal distance from previous prime (235122989) and next prime (235123013).

It can be written as a sum of positive squares in 2 ways, for example, as 34164025 + 200958976 = 5845^2 + 14176^2 .

It is a cyclic number.

It is not a de Polignac number, because 235123001 - 2²⁶ = 168014137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235123061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92876 + ... + 95373.

It is an arithmetic number, because the mean of its divisors is an integer number (58828125).

Almost surely, 2^235123001 is an apocalyptic number.

It is an amenable number.

235123001 is a deficient number, since it is larger than the sum of its proper divisors (189499).

235123001 is a wasteful number, since it uses less digits than its factorization.

235123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189498.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 235123001 is about 15333.7210421998. The cubic root of 235123001 is about 617.2082257305.

Adding to 235123001 its reverse (100321532), we get a palindrome (335444533).

It can be divided in two parts, 2351 and 23001, that added together give a palindrome (25352).

The spelling of 235123001 in words is "two hundred thirty-five million, one hundred twenty-three thousand, one".