104020024123 has 4 divisors (see below), whose sum is σ = 104079364168. Its totient is φ = 103960684080.

The previous prime is 104020024093. The next prime is 104020024127. The reversal of 104020024123 is 321420020401.

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-104020024123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104020024123.

It is not an unprimeable number, because it can be changed into a prime (104020024127) 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, 29667393 + ... + 29670898.

It is an arithmetic number, because the mean of its divisors is an integer number (26019841042).

Almost surely, 2^104020024123 is an apocalyptic number.

104020024123 is a deficient number, since it is larger than the sum of its proper divisors (59340045).

104020024123 is an equidigital number, since it uses as much as digits as its factorization.

104020024123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59340044.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 104020024123 its reverse (321420020401), we get a palindrome (425440044524).

The spelling of 104020024123 in words is "one hundred four billion, twenty million, twenty-four thousand, one hundred twenty-three".