123354525143 has 2 divisors, whose sum is σ = 123354525144. Its totient is φ = 123354525142.

The previous prime is 123354525139. The next prime is 123354525181. The reversal of 123354525143 is 341525453321.

It is an a-pointer prime, because the next prime (123354525181) can be obtained adding 123354525143 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123354525143 - 2² = 123354525139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123354525097 and 123354525106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123354555143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677262571 + 61677262572.

It is an arithmetic number, because the mean of its divisors is an integer number (61677262572).

Almost surely, 2^123354525143 is an apocalyptic number.

123354525143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354525143 is an equidigital number, since it uses as much as digits as its factorization.

123354525143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 38.

Adding to 123354525143 its reverse (341525453321), we get a palindrome (464879978464).

The spelling of 123354525143 in words is "one hundred twenty-three billion, three hundred fifty-four million, five hundred twenty-five thousand, one hundred forty-three".