104345025523 has 4 divisors (see below), whose sum is σ = 104345711080. Its totient is φ = 104344339968.

The previous prime is 104345025517. The next prime is 104345025527. The reversal of 104345025523 is 325520543401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104345025523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104345025527) 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, 633 + ... + 456826.

It is an arithmetic number, because the mean of its divisors is an integer number (26086427770).

Almost surely, 2^104345025523 is an apocalyptic number.

104345025523 is a deficient number, since it is larger than the sum of its proper divisors (685557).

104345025523 is an equidigital number, since it uses as much as digits as its factorization.

104345025523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685556.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 104345025523 its reverse (325520543401), we get a palindrome (429865568924).

The spelling of 104345025523 in words is "one hundred four billion, three hundred forty-five million, twenty-five thousand, five hundred twenty-three".