420203001004023 has 8 divisors (see below), whose sum is σ = 560336281187200. Its totient is φ = 280102527411768.

The previous prime is 420203001004013. The next prime is 420203001004151. The reversal of 420203001004023 is 320400100302024.

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

It is not a de Polignac number, because 420203001004023 - 2⁴⁸ = 138728024293367 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 (420203001004013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8201617843 + ... + 8201669076.

It is an arithmetic number, because the mean of its divisors is an integer number (70042035148400).

Almost surely, 2^{420203001004023} is an apocalyptic number.

420203001004023 is a deficient number, since it is larger than the sum of its proper divisors (140133280183177).

420203001004023 is a wasteful number, since it uses less digits than its factorization.

420203001004023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16403295461.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420203001004023 its reverse (320400100302024), we get a palindrome (740603101306047).

The spelling of 420203001004023 in words is "four hundred twenty trillion, two hundred three billion, one million, four thousand, twenty-three".