123350400163 has 4 divisors (see below), whose sum is σ = 126684194800. Its totient is φ = 120016605528.

The previous prime is 123350400133. The next prime is 123350400167. The reversal of 123350400163 is 361004053321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123350400163 - 2¹³ = 123350391971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123350400167) 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, 1666897263 + ... + 1666897336.

It is an arithmetic number, because the mean of its divisors is an integer number (31671048700).

Almost surely, 2^123350400163 is an apocalyptic number.

123350400163 is a deficient number, since it is larger than the sum of its proper divisors (3333794637).

123350400163 is an equidigital number, since it uses as much as digits as its factorization.

123350400163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333794636.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123350400163 its reverse (361004053321), we get a palindrome (484354453484).

The spelling of 123350400163 in words is "one hundred twenty-three billion, three hundred fifty million, four hundred thousand, one hundred sixty-three".