123032405163 has 16 divisors (see below), whose sum is σ = 166212829440. Its totient is φ = 80943860256.

The previous prime is 123032405159. The next prime is 123032405191. The reversal of 123032405163 is 361504230321.

It is not a de Polignac number, because 123032405163 - 2² = 123032405159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123032405163.

It is not an unprimeable number, because it can be changed into a prime (123032405113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813720 + ... + 952997.

It is an arithmetic number, because the mean of its divisors is an integer number (10388301840).

Almost surely, 2^123032405163 is an apocalyptic number.

123032405163 is a deficient number, since it is larger than the sum of its proper divisors (43180424277).

123032405163 is a wasteful number, since it uses less digits than its factorization.

123032405163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767026.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 123032405163 its reverse (361504230321), we get a palindrome (484536635484).

The spelling of 123032405163 in words is "one hundred twenty-three billion, thirty-two million, four hundred five thousand, one hundred sixty-three".