123104302243 has 16 divisors (see below), whose sum is σ = 132895979776. Its totient is φ = 113358903840.

The previous prime is 123104302171. The next prime is 123104302247. The reversal of 123104302243 is 342203401321.

It is not a de Polignac number, because 123104302243 - 2¹⁷ = 123104171171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123104302247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14808058 + ... + 14816368.

It is an arithmetic number, because the mean of its divisors is an integer number (8305998736).

Almost surely, 2^123104302243 is an apocalyptic number.

123104302243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123104302243 is a deficient number, since it is larger than the sum of its proper divisors (9791677533).

123104302243 is a wasteful number, since it uses less digits than its factorization.

123104302243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123104302243 its reverse (342203401321), we get a palindrome (465307703564).

The spelling of 123104302243 in words is "one hundred twenty-three billion, one hundred four million, three hundred two thousand, two hundred forty-three".