123432063436 has 12 divisors (see below), whose sum is σ = 235643030280. Its totient is φ = 56105483360.

The previous prime is 123432063431. The next prime is 123432063439. The reversal of 123432063436 is 634360234321.

It is a junction number, because it is equal to n+sod(n) for n = 123432063395 and 123432063404.

It is not an unprimeable number, because it can be changed into a prime (123432063431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402637041 + ... + 1402637128.

It is an arithmetic number, because the mean of its divisors is an integer number (19636919190).

Almost surely, 2^123432063436 is an apocalyptic number.

It is an amenable number.

123432063436 is a deficient number, since it is larger than the sum of its proper divisors (112210966844).

123432063436 is a wasteful number, since it uses less digits than its factorization.

123432063436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805274184 (or 2805274182 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 123432063436 its reverse (634360234321), we get a palindrome (757792297757).

The spelling of 123432063436 in words is "one hundred twenty-three billion, four hundred thirty-two million, sixty-three thousand, four hundred thirty-six".