2124421404423 has 8 divisors (see below), whose sum is σ = 2844718791408. Its totient is φ = 1410202476864.

The previous prime is 2124421404407. The next prime is 2124421404449. The reversal of 2124421404423 is 3244041244212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124421404423 - 2⁴ = 2124421404407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124421404493) 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, 1519614040 + ... + 1519615437.

It is an arithmetic number, because the mean of its divisors is an integer number (355589848926).

Almost surely, 2^{2124421404423} is an apocalyptic number.

2124421404423 is a deficient number, since it is larger than the sum of its proper divisors (720297386985).

2124421404423 is a wasteful number, since it uses less digits than its factorization.

2124421404423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039229713.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 2124421404423 its reverse (3244041244212), we get a palindrome (5368462648635).

The spelling of 2124421404423 in words is "two trillion, one hundred twenty-four billion, four hundred twenty-one million, four hundred four thousand, four hundred twenty-three".