102104042723 has 8 divisors (see below), whose sum is σ = 103692792000. Its totient is φ = 100522700928.

The previous prime is 102104042693. The next prime is 102104042759. The reversal of 102104042723 is 327240401201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102104042723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102104042692 and 102104042701.

It is not an unprimeable number, because it can be changed into a prime (102104042323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824086 + ... + 1879227.

It is an arithmetic number, because the mean of its divisors is an integer number (12961599000).

Almost surely, 2^102104042723 is an apocalyptic number.

102104042723 is a deficient number, since it is larger than the sum of its proper divisors (1588749277).

102104042723 is an equidigital number, since it uses as much as digits as its factorization.

102104042723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703741.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 102104042723 its reverse (327240401201), we get a palindrome (429344443924).

The spelling of 102104042723 in words is "one hundred two billion, one hundred four million, forty-two thousand, seven hundred twenty-three".