234002123 has 4 divisors (see below), whose sum is σ = 237494760. Its totient is φ = 230509488.

The previous prime is 234002113. The next prime is 234002177. The reversal of 234002123 is 321200432.

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

It is a cyclic number.

It is not a de Polignac number, because 234002123 - 2¹⁰ = 234001099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746218 + ... + 1746351.

It is an arithmetic number, because the mean of its divisors is an integer number (59373690).

Almost surely, 2^234002123 is an apocalyptic number.

234002123 is a deficient number, since it is larger than the sum of its proper divisors (3492637).

234002123 is an equidigital number, since it uses as much as digits as its factorization.

234002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492636.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 234002123 is about 15297.1279330468. The cubic root of 234002123 is about 616.2258783641.

Adding to 234002123 its reverse (321200432), we get a palindrome (555202555).

The spelling of 234002123 in words is "two hundred thirty-four million, two thousand, one hundred twenty-three".