233540430433423 has 2 divisors, whose sum is σ = 233540430433424. Its totient is φ = 233540430433422.

The previous prime is 233540430433369. The next prime is 233540430433477. The reversal of 233540430433423 is 324334034045332.

It is a balanced prime because it is at equal distance from previous prime (233540430433369) and next prime (233540430433477).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233540430433423 is a prime.

It is a super-2 number, since 2×233540430433423² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233540430433423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233540430233423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116770215216711 + 116770215216712.

It is an arithmetic number, because the mean of its divisors is an integer number (116770215216712).

Almost surely, 2^{233540430433423} is an apocalyptic number.

233540430433423 is a deficient number, since it is larger than the sum of its proper divisors (1).

233540430433423 is an equidigital number, since it uses as much as digits as its factorization.

233540430433423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 43.

Adding to 233540430433423 its reverse (324334034045332), we get a palindrome (557874464478755).

The spelling of 233540430433423 in words is "two hundred thirty-three trillion, five hundred forty billion, four hundred thirty million, four hundred thirty-three thousand, four hundred twenty-three".