123465415523 has 2 divisors, whose sum is σ = 123465415524. Its totient is φ = 123465415522.

The previous prime is 123465415501. The next prime is 123465415607. The reversal of 123465415523 is 325514564321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123465415523 - 2¹⁴ = 123465399139 is a prime.

It is not a weakly prime, because it can be changed into another prime (123465415123) 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, 61732707761 + 61732707762.

It is an arithmetic number, because the mean of its divisors is an integer number (61732707762).

Almost surely, 2^123465415523 is an apocalyptic number.

123465415523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123465415523 is an equidigital number, since it uses as much as digits as its factorization.

123465415523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 41.

Adding to 123465415523 its reverse (325514564321), we get a palindrome (448979979844).

The spelling of 123465415523 in words is "one hundred twenty-three billion, four hundred sixty-five million, four hundred fifteen thousand, five hundred twenty-three".