162603563123 has 4 divisors (see below), whose sum is σ = 162934731768. Its totient is φ = 162272394480.

The previous prime is 162603563117. The next prime is 162603563131. The reversal of 162603563123 is 321365306261.

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 162603563123 - 2⁴ = 162603563107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162603563153) 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, 165583586 + ... + 165584567.

It is an arithmetic number, because the mean of its divisors is an integer number (40733682942).

Almost surely, 2^162603563123 is an apocalyptic number.

162603563123 is a deficient number, since it is larger than the sum of its proper divisors (331168645).

162603563123 is an equidigital number, since it uses as much as digits as its factorization.

162603563123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331168644.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 162603563123 its reverse (321365306261), we get a palindrome (483968869384).

The spelling of 162603563123 in words is "one hundred sixty-two billion, six hundred three million, five hundred sixty-three thousand, one hundred twenty-three".