4021420120023 has 8 divisors (see below), whose sum is σ = 5361973200000. Its totient is φ = 2680906893368.

The previous prime is 4021420119979. The next prime is 4021420120033. The reversal of 4021420120023 is 3200210241204.

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 4021420120023 - 2⁸ = 4021420119767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021420120033) 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, 9727083 + ... + 10132076.

It is an arithmetic number, because the mean of its divisors is an integer number (670246650000).

Almost surely, 2^{4021420120023} is an apocalyptic number.

4021420120023 is a deficient number, since it is larger than the sum of its proper divisors (1340553079977).

4021420120023 is a wasteful number, since it uses less digits than its factorization.

4021420120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19926661.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 4021420120023 its reverse (3200210241204), we get a palindrome (7221630361227).

The spelling of 4021420120023 in words is "four trillion, twenty-one billion, four hundred twenty million, one hundred twenty thousand, twenty-three".