204024311123 has 2 divisors, whose sum is σ = 204024311124. Its totient is φ = 204024311122.

The previous prime is 204024311107. The next prime is 204024311203. The reversal of 204024311123 is 321113420402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204024311123 - 2⁴ = 204024311107 is a prime.

It is a super-2 number, since 2×204024311123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204024311923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102012155561 + 102012155562.

It is an arithmetic number, because the mean of its divisors is an integer number (102012155562).

Almost surely, 2^204024311123 is an apocalyptic number.

204024311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

204024311123 is an equidigital number, since it uses as much as digits as its factorization.

204024311123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 204024311123 its reverse (321113420402), we get a palindrome (525137731525).

The spelling of 204024311123 in words is "two hundred four billion, twenty-four million, three hundred eleven thousand, one hundred twenty-three".