123534152453 has 2 divisors, whose sum is σ = 123534152454. Its totient is φ = 123534152452.

The previous prime is 123534152437. The next prime is 123534152477. The reversal of 123534152453 is 354251435321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101316163204 + 22217989249 = 318302^2 + 149057^2 .

It is a cyclic number.

It is not a de Polignac number, because 123534152453 - 2⁴ = 123534152437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123534158453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61767076226 + 61767076227.

It is an arithmetic number, because the mean of its divisors is an integer number (61767076227).

Almost surely, 2^123534152453 is an apocalyptic number.

It is an amenable number.

123534152453 is a deficient number, since it is larger than the sum of its proper divisors (1).

123534152453 is an equidigital number, since it uses as much as digits as its factorization.

123534152453 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 123534152453 its reverse (354251435321), we get a palindrome (477785587774).

The spelling of 123534152453 in words is "one hundred twenty-three billion, five hundred thirty-four million, one hundred fifty-two thousand, four hundred fifty-three".