4023201021 has 8 divisors (see below), whose sum is σ = 6130592064. Its totient is φ = 2298972000.

The previous prime is 4023201019. The next prime is 4023201029. The reversal of 4023201021 is 1201023204.

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

It is not a de Polignac number, because 4023201021 - 2¹ = 4023201019 is a prime.

It is a super-2 number, since 2×4023201021² = 32372292910750884882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023201029) 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, 95790480 + ... + 95790521.

It is an arithmetic number, because the mean of its divisors is an integer number (766324008).

Almost surely, 2^4023201021 is an apocalyptic number.

It is an amenable number.

4023201021 is a deficient number, since it is larger than the sum of its proper divisors (2107391043).

4023201021 is a wasteful number, since it uses less digits than its factorization.

4023201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191581011.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4023201021 is about 63428.7081769761. The cubic root of 4023201021 is about 1590.4642475696.

Adding to 4023201021 its reverse (1201023204), we get a palindrome (5224224225).

The spelling of 4023201021 in words is "four billion, twenty-three million, two hundred one thousand, twenty-one".