234123440331001 has 4 divisors (see below), whose sum is σ = 252132935741092. Its totient is φ = 216113944920912.

The previous prime is 234123440330987. The next prime is 234123440331017. The reversal of 234123440331001 is 100133044321432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75364952327401 + 158758488003600 = 8681299^2 + 12599940^2 .

It is a cyclic number.

It is not a de Polignac number, because 234123440331001 - 2²⁷ = 234123306113273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234123440331901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9004747705026 + ... + 9004747705051.

It is an arithmetic number, because the mean of its divisors is an integer number (63033233935273).

Almost surely, 2^{234123440331001} is an apocalyptic number.

It is an amenable number.

234123440331001 is a deficient number, since it is larger than the sum of its proper divisors (18009495410091).

234123440331001 is a wasteful number, since it uses less digits than its factorization.

234123440331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009495410090.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 234123440331001 its reverse (100133044321432), we get a palindrome (334256484652433).

The spelling of 234123440331001 in words is "two hundred thirty-four trillion, one hundred twenty-three billion, four hundred forty million, three hundred thirty-one thousand, one".