123534313451 has 2 divisors, whose sum is σ = 123534313452. Its totient is φ = 123534313450.

The previous prime is 123534313421. The next prime is 123534313481. The reversal of 123534313451 is 154313435321.

It is a balanced prime because it is at equal distance from previous prime (123534313421) and next prime (123534313481).

It is a cyclic number.

It is not a de Polignac number, because 123534313451 - 2¹⁰ = 123534312427 is a prime.

It is not a weakly prime, because it can be changed into another prime (123534313421) 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, 61767156725 + 61767156726.

It is an arithmetic number, because the mean of its divisors is an integer number (61767156726).

Almost surely, 2^123534313451 is an apocalyptic number.

123534313451 is a deficient number, since it is larger than the sum of its proper divisors (1).

123534313451 is an equidigital number, since it uses as much as digits as its factorization.

123534313451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

Adding to 123534313451 its reverse (154313435321), we get a palindrome (277847748772).

The spelling of 123534313451 in words is "one hundred twenty-three billion, five hundred thirty-four million, three hundred thirteen thousand, four hundred fifty-one".