3201021023 has 4 divisors (see below), whose sum is σ = 3201543600. Its totient is φ = 3200498448.

The previous prime is 3201020989. The next prime is 3201021037. The reversal of 3201021023 is 3201201023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201201023 = 11971 ⋅267413.

It is a cyclic number.

It is not a de Polignac number, because 3201021023 - 2²⁴ = 3184243807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201020989 and 3201021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201021623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251990 + ... + 264387.

It is an arithmetic number, because the mean of its divisors is an integer number (800385900).

Almost surely, 2^3201021023 is an apocalyptic number.

3201021023 is a deficient number, since it is larger than the sum of its proper divisors (522577).

3201021023 is an equidigital number, since it uses as much as digits as its factorization.

3201021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522576.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3201021023 is about 56577.5664287534. The cubic root of 3201021023 is about 1473.7693111606.

Adding to 3201021023 its reverse (3201201023), we get a palindrome (6402222046).

The spelling of 3201021023 in words is "three billion, two hundred one million, twenty-one thousand, twenty-three".