4031023000421 has 4 divisors (see below), whose sum is σ = 4040205285600. Its totient is φ = 4021840715244.

The previous prime is 4031023000397. The next prime is 4031023000481. The reversal of 4031023000421 is 1240003201304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4031023000421 - 2¹⁸ = 4031022738277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4031023000393 and 4031023000402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031023000481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591141931 + ... + 4591142808.

It is an arithmetic number, because the mean of its divisors is an integer number (1010051321400).

Almost surely, 2^{4031023000421} is an apocalyptic number.

It is an amenable number.

4031023000421 is a deficient number, since it is larger than the sum of its proper divisors (9182285179).

4031023000421 is an equidigital number, since it uses as much as digits as its factorization.

4031023000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182285178.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 4031023000421 its reverse (1240003201304), we get a palindrome (5271026201725).

The spelling of 4031023000421 in words is "four trillion, thirty-one billion, twenty-three million, four hundred twenty-one", and thus it is an aban number.