123653423536 has 10 divisors (see below), whose sum is σ = 239578508132. Its totient is φ = 61826711760.

The previous prime is 123653423513. The next prime is 123653423567. The reversal of 123653423536 is 635324356321.

It is a junction number, because it is equal to n+sod(n) for n = 123653423492 and 123653423501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3864169470 + ... + 3864169501.

Almost surely, 2^123653423536 is an apocalyptic number.

123653423536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123653423536 is a deficient number, since it is larger than the sum of its proper divisors (115925084596).

123653423536 is an equidigital number, since it uses as much as digits as its factorization.

123653423536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728338979 (or 7728338973 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 43.

Adding to 123653423536 its reverse (635324356321), we get a palindrome (758977779857).

The spelling of 123653423536 in words is "one hundred twenty-three billion, six hundred fifty-three million, four hundred twenty-three thousand, five hundred thirty-six".