123351232463 has 4 divisors (see below), whose sum is σ = 123352134048. Its totient is φ = 123350330880.

The previous prime is 123351232453. The next prime is 123351232471. The reversal of 123351232463 is 364232153321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 364232153321 = 179 ⋅2034816499.

It is a cyclic number.

It is not a de Polignac number, because 123351232463 - 2¹⁰ = 123351231439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123351232453) 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 in 3 ways as a sum of consecutive naturals, for example, 198503 + ... + 534888.

It is an arithmetic number, because the mean of its divisors is an integer number (30838033512).

Almost surely, 2^123351232463 is an apocalyptic number.

123351232463 is a deficient number, since it is larger than the sum of its proper divisors (901585).

123351232463 is an equidigital number, since it uses as much as digits as its factorization.

123351232463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901584.

The product of its digits is 77760, while the sum is 35.

Adding to 123351232463 its reverse (364232153321), we get a palindrome (487583385784).

The spelling of 123351232463 in words is "one hundred twenty-three billion, three hundred fifty-one million, two hundred thirty-two thousand, four hundred sixty-three".