204456652604023 has 4 divisors (see below), whose sum is σ = 204520805934040. Its totient is φ = 204392499274008.

The previous prime is 204456652603963. The next prime is 204456652604173. The reversal of 204456652604023 is 320406256654402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204456652604023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204456652604923) 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, 32076660228 + ... + 32076666601.

It is an arithmetic number, because the mean of its divisors is an integer number (51130201483510).

Almost surely, 2^{204456652604023} is an apocalyptic number.

204456652604023 is a deficient number, since it is larger than the sum of its proper divisors (64153330017).

204456652604023 is an equidigital number, since it uses as much as digits as its factorization.

204456652604023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64153330016.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 204456652604023 in words is "two hundred four trillion, four hundred fifty-six billion, six hundred fifty-two million, six hundred four thousand, twenty-three".