10404123123 has 8 divisors (see below), whose sum is σ = 14039299008. Its totient is φ = 6852514664.

The previous prime is 10404123053. The next prime is 10404123133. The reversal of 10404123123 is 32132140401.

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

It is a cyclic number.

It is not a de Polignac number, because 10404123123 - 2¹⁸ = 10403860979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10404123123.

It is not an unprimeable number, because it can be changed into a prime (10404123133) 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, 20891565 + ... + 20892062.

It is an arithmetic number, because the mean of its divisors is an integer number (1754912376).

Almost surely, 2^10404123123 is an apocalyptic number.

10404123123 is a deficient number, since it is larger than the sum of its proper divisors (3635175885).

10404123123 is an equidigital number, since it uses as much as digits as its factorization.

10404123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41783713.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10404123123 its reverse (32132140401), we get a palindrome (42536263524).

The spelling of 10404123123 in words is "ten billion, four hundred four million, one hundred twenty-three thousand, one hundred twenty-three".