10421144123 has 8 divisors (see below), whose sum is σ = 11348870400. Its totient is φ = 9511432128.

The previous prime is 10421144101. The next prime is 10421144141. The reversal of 10421144123 is 32144112401.

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 10421144123 - 2⁶ = 10421144059 is a prime.

It is a super-5 number, since 5×10421144123⁵ (a number of 51 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421144183) 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, 4502363 + ... + 4504676.

It is an arithmetic number, because the mean of its divisors is an integer number (1418608800).

Almost surely, 2^10421144123 is an apocalyptic number.

10421144123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10421144123 is a deficient number, since it is larger than the sum of its proper divisors (927726277).

10421144123 is an equidigital number, since it uses as much as digits as its factorization.

10421144123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007141.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10421144123 its reverse (32144112401), we get a palindrome (42565256524).

The spelling of 10421144123 in words is "ten billion, four hundred twenty-one million, one hundred forty-four thousand, one hundred twenty-three".