204401150502523 has 4 divisors (see below), whose sum is σ = 220124315925808. Its totient is φ = 188677985079240.

The previous prime is 204401150502509. The next prime is 204401150502529. The reversal of 204401150502523 is 325205051104402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 204401150502523 - 2⁹ = 204401150502011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204401150502529) 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, 7861582711623 + ... + 7861582711648.

It is an arithmetic number, because the mean of its divisors is an integer number (55031078981452).

Almost surely, 2^{204401150502523} is an apocalyptic number.

204401150502523 is a deficient number, since it is larger than the sum of its proper divisors (15723165423285).

204401150502523 is a wasteful number, since it uses less digits than its factorization.

204401150502523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15723165423284.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 204401150502523 in words is "two hundred four trillion, four hundred one billion, one hundred fifty million, five hundred two thousand, five hundred twenty-three".