10243121322123 has 12 divisors (see below), whose sum is σ = 14809156407760. Its totient is φ = 6822499831056.

The previous prime is 10243121322121. The next prime is 10243121322139. The reversal of 10243121322123 is 32122312134201.

10243121322123 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 312 + 1 + 322 + 1 + 23 = 666.

It is not a de Polignac number, because 10243121322123 - 2¹ = 10243121322121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243121322121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520632703 + ... + 520652376.

Almost surely, 2^{10243121322123} is an apocalyptic number.

10243121322123 is a deficient number, since it is larger than the sum of its proper divisors (4566035085637).

10243121322123 is a wasteful number, since it uses less digits than its factorization.

10243121322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041286178 (or 1041286175 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 10243121322123 its reverse (32122312134201), we get a palindrome (42365433456324).

The spelling of 10243121322123 in words is "ten trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".