233404122431 has 2 divisors, whose sum is σ = 233404122432. Its totient is φ = 233404122430.

The previous prime is 233404122401. The next prime is 233404122439. The reversal of 233404122431 is 134221404332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233404122431 is a prime.

It is a super-3 number, since 3×233404122431³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 233404122394 and 233404122403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233404122439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116702061215 + 116702061216.

It is an arithmetic number, because the mean of its divisors is an integer number (116702061216).

Almost surely, 2^233404122431 is an apocalyptic number.

233404122431 is a deficient number, since it is larger than the sum of its proper divisors (1).

233404122431 is an equidigital number, since it uses as much as digits as its factorization.

233404122431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 233404122431 its reverse (134221404332), we get a palindrome (367625526763).

The spelling of 233404122431 in words is "two hundred thirty-three billion, four hundred four million, one hundred twenty-two thousand, four hundred thirty-one".