4023020041021 has 8 divisors (see below), whose sum is σ = 4199752085760. Its totient is φ = 3846439507152.

The previous prime is 4023020041009. The next prime is 4023020041039. The reversal of 4023020041021 is 1201400203204.

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

It is a cyclic number.

It is not a de Polignac number, because 4023020041021 - 2⁵ = 4023020040989 is a prime.

It is a super-3 number, since 3×4023020041021³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4023020041021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023020041421) 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, 37823445 + ... + 37929658.

It is an arithmetic number, because the mean of its divisors is an integer number (524969010720).

Almost surely, 2^{4023020041021} is an apocalyptic number.

It is an amenable number.

4023020041021 is a deficient number, since it is larger than the sum of its proper divisors (176732044739).

4023020041021 is a wasteful number, since it uses less digits than its factorization.

4023020041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75755435.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 4023020041021 its reverse (1201400203204), we get a palindrome (5224420244225).

The spelling of 4023020041021 in words is "four trillion, twenty-three billion, twenty million, forty-one thousand, twenty-one".