4021404111423 has 12 divisors (see below), whose sum is σ = 5808717407688. Its totient is φ = 2680925652720.

The previous prime is 4021404111407. The next prime is 4021404111427. The reversal of 4021404111423 is 3241114041204.

4021404111423 is a `hidden beast` number, since 4 + 0 + 214 + 0 + 411 + 14 + 23 = 666.

It is not a de Polignac number, because 4021404111423 - 2⁴ = 4021404111407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021404111427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2114736 + ... + 3537642.

It is an arithmetic number, because the mean of its divisors is an integer number (484059783974).

Almost surely, 2^{4021404111423} is an apocalyptic number.

4021404111423 is a deficient number, since it is larger than the sum of its proper divisors (1787313296265).

4021404111423 is a wasteful number, since it uses less digits than its factorization.

4021404111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736934 (or 1736931 counting only the distinct ones).

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

Adding to 4021404111423 its reverse (3241114041204), we get a palindrome (7262518152627).

The spelling of 4021404111423 in words is "four trillion, twenty-one billion, four hundred four million, one hundred eleven thousand, four hundred twenty-three".