10242423123121 has 12 divisors (see below), whose sum is σ = 11937436867632. Its totient is φ = 8762433526728.

The previous prime is 10242423123077. The next prime is 10242423123133. The reversal of 10242423123121 is 12132132424201.

It is not a de Polignac number, because 10242423123121 - 2¹⁵ = 10242423090353 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 10242423123121.

It is not an unprimeable number, because it can be changed into a prime (10242423123721) 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, 199810935 + ... + 199862188.

It is an arithmetic number, because the mean of its divisors is an integer number (994786405636).

Almost surely, 2^{10242423123121} is an apocalyptic number.

It is an amenable number.

10242423123121 is a deficient number, since it is larger than the sum of its proper divisors (1695013744511).

10242423123121 is an equidigital number, since it uses as much as digits as its factorization.

10242423123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399673660 (or 399673653 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10242423123121 its reverse (12132132424201), we get a palindrome (22374555547322).

The spelling of 10242423123121 in words is "ten trillion, two hundred forty-two billion, four hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty-one".