505600040123 has 2 divisors, whose sum is σ = 505600040124. Its totient is φ = 505600040122.

The previous prime is 505600040117. The next prime is 505600040171. The reversal of 505600040123 is 321040006505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505600040123 - 2⁴ = 505600040107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505600040092 and 505600040101.

It is not a weakly prime, because it can be changed into another prime (505600040173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252800020061 + 252800020062.

It is an arithmetic number, because the mean of its divisors is an integer number (252800020062).

Almost surely, 2^505600040123 is an apocalyptic number.

505600040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

505600040123 is an equidigital number, since it uses as much as digits as its factorization.

505600040123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 505600040123 its reverse (321040006505), we get a palindrome (826640046628).

The spelling of 505600040123 in words is "five hundred five billion, six hundred million, forty thousand, one hundred twenty-three".