4021424442123 has 16 divisors (see below), whose sum is σ = 5849761020672. Its totient is φ = 2437053444000.

The previous prime is 4021424442059. The next prime is 4021424442173. The reversal of 4021424442123 is 3212444241204.

4021424442123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021424442123 - 2⁶ = 4021424442059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4021424442173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865888 + ... + 4794573.

It is an arithmetic number, because the mean of its divisors is an integer number (365610063792).

Almost surely, 2^{4021424442123} is an apocalyptic number.

4021424442123 is a deficient number, since it is larger than the sum of its proper divisors (1828336578549).

4021424442123 is a wasteful number, since it uses less digits than its factorization.

4021424442123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674546.

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

Adding to 4021424442123 its reverse (3212444241204), we get a palindrome (7233868683327).

The spelling of 4021424442123 in words is "four trillion, twenty-one billion, four hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-three".