4223124101421 has 24 divisors (see below), whose sum is σ = 6106598388800. Its totient is φ = 2812402809216.

The previous prime is 4223124101401. The next prime is 4223124101477. The reversal of 4223124101421 is 1241014213224.

4223124101421 is a `hidden beast` number, since 4 + 2 + 231 + 2 + 4 + 1 + 0 + 1 + 421 = 666.

It is not a de Polignac number, because 4223124101421 - 2⁵ = 4223124101389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223124101401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87868005 + ... + 87916053.

Almost surely, 2^{4223124101421} is an apocalyptic number.

It is an amenable number.

4223124101421 is a deficient number, since it is larger than the sum of its proper divisors (1883474287379).

4223124101421 is a wasteful number, since it uses less digits than its factorization.

4223124101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58305 (or 58302 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 4223124101421 its reverse (1241014213224), we get a palindrome (5464138314645).

The spelling of 4223124101421 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-four million, one hundred one thousand, four hundred twenty-one".