234040043023 has 2 divisors, whose sum is σ = 234040043024. Its totient is φ = 234040043022.

The previous prime is 234040043021. The next prime is 234040043059. The reversal of 234040043023 is 320340040432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234040043023 - 2¹ = 234040043021 is a prime.

Together with 234040043021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234040043021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117020021511 + 117020021512.

It is an arithmetic number, because the mean of its divisors is an integer number (117020021512).

Almost surely, 2^234040043023 is an apocalyptic number.

234040043023 is a deficient number, since it is larger than the sum of its proper divisors (1).

234040043023 is an equidigital number, since it uses as much as digits as its factorization.

234040043023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 234040043023 its reverse (320340040432), we get a palindrome (554380083455).

The spelling of 234040043023 in words is "two hundred thirty-four billion, forty million, forty-three thousand, twenty-three".