204152452123 has 2 divisors, whose sum is σ = 204152452124. Its totient is φ = 204152452122.

The previous prime is 204152452111. The next prime is 204152452151. The reversal of 204152452123 is 321254251402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204152452123 - 2¹³ = 204152443931 is a prime.

It is not a weakly prime, because it can be changed into another prime (204152452723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102076226061 + 102076226062.

It is an arithmetic number, because the mean of its divisors is an integer number (102076226062).

Almost surely, 2^204152452123 is an apocalyptic number.

204152452123 is a deficient number, since it is larger than the sum of its proper divisors (1).

204152452123 is an equidigital number, since it uses as much as digits as its factorization.

204152452123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 204152452123 in words is "two hundred four billion, one hundred fifty-two million, four hundred fifty-two thousand, one hundred twenty-three".