204462625123 has 2 divisors, whose sum is σ = 204462625124. Its totient is φ = 204462625122.

The previous prime is 204462625111. The next prime is 204462625183. The reversal of 204462625123 is 321526264402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204462625123 is a prime.

It is not a weakly prime, because it can be changed into another prime (204462625183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102231312561 + 102231312562.

It is an arithmetic number, because the mean of its divisors is an integer number (102231312562).

Almost surely, 2^204462625123 is an apocalyptic number.

204462625123 is a deficient number, since it is larger than the sum of its proper divisors (1).

204462625123 is an equidigital number, since it uses as much as digits as its factorization.

204462625123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 204462625123 its reverse (321526264402), we get a palindrome (525988889525).

The spelling of 204462625123 in words is "two hundred four billion, four hundred sixty-two million, six hundred twenty-five thousand, one hundred twenty-three".