4023201421 has 8 divisors (see below), whose sum is σ = 4157713664. Its totient is φ = 3888984960.

The previous prime is 4023201409. The next prime is 4023201431. The reversal of 4023201421 is 1241023204.

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 4023201421 - 2⁷ = 4023201293 is a prime.

It is a super-2 number, since 2×4023201421² = 32372299347872838482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023201431) 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, 46116 + ... + 100861.

It is an arithmetic number, because the mean of its divisors is an integer number (519714208).

Almost surely, 2^4023201421 is an apocalyptic number.

It is an amenable number.

4023201421 is a deficient number, since it is larger than the sum of its proper divisors (134512243).

4023201421 is a wasteful number, since it uses less digits than its factorization.

4023201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147891.

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

The square root of 4023201421 is about 63428.7113301224. The cubic root of 4023201421 is about 1590.4643002793.

Adding to 4023201421 its reverse (1241023204), we get a palindrome (5264224625).

The spelling of 4023201421 in words is "four billion, twenty-three million, two hundred one thousand, four hundred twenty-one".