2124224020123 has 4 divisors (see below), whose sum is σ = 2236025284360. Its totient is φ = 2012422755888.

The previous prime is 2124224020099. The next prime is 2124224020151. The reversal of 2124224020123 is 3210204224212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2124224020123 - 2⁹ = 2124224019611 is a prime.

It is a super-4 number, since 4×2124224020123⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124224020153) 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, 55900632090 + ... + 55900632127.

It is an arithmetic number, because the mean of its divisors is an integer number (559006321090).

Almost surely, 2^{2124224020123} is an apocalyptic number.

2124224020123 is a deficient number, since it is larger than the sum of its proper divisors (111801264237).

2124224020123 is a wasteful number, since it uses less digits than its factorization.

2124224020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111801264236.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2124224020123 its reverse (3210204224212), we get a palindrome (5334428244335).

The spelling of 2124224020123 in words is "two trillion, one hundred twenty-four billion, two hundred twenty-four million, twenty thousand, one hundred twenty-three".