10144042420123 has 4 divisors (see below), whose sum is σ = 10144067484240. Its totient is φ = 10144017356008.

The previous prime is 10144042419977. The next prime is 10144042420129. The reversal of 10144042420123 is 32102424044101.

10144042420123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-10144042420123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10144042420091 and 10144042420100.

It is not an unprimeable number, because it can be changed into a prime (10144042420129) 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, 11914840 + ... + 12737797.

It is an arithmetic number, because the mean of its divisors is an integer number (2536016871060).

Almost surely, 2^{10144042420123} is an apocalyptic number.

10144042420123 is a deficient number, since it is larger than the sum of its proper divisors (25064117).

10144042420123 is an equidigital number, since it uses as much as digits as its factorization.

10144042420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25064116.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 10144042420123 its reverse (32102424044101), we get a palindrome (42246466464224).

The spelling of 10144042420123 in words is "ten trillion, one hundred forty-four billion, forty-two million, four hundred twenty thousand, one hundred twenty-three".