3201121023 has 8 divisors (see below), whose sum is σ = 4270840368. Its totient is φ = 2132741184.

The previous prime is 3201121013. The next prime is 3201121031. The reversal of 3201121023 is 3201211023.

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

It is not a de Polignac number, because 3201121023 - 2⁵ = 3201120991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3201120993 and 3201121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201121013) 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 7 ways as a sum of consecutive naturals, for example, 329286 + ... + 338867.

It is an arithmetic number, because the mean of its divisors is an integer number (533855046).

Almost surely, 2^3201121023 is an apocalyptic number.

3201121023 is a deficient number, since it is larger than the sum of its proper divisors (1069719345).

3201121023 is a wasteful number, since it uses less digits than its factorization.

3201121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669753.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3201121023 is about 56578.4501643514. The cubic root of 3201121023 is about 1473.7846578677.

Adding to 3201121023 its reverse (3201211023), we get a palindrome (6402332046).

Subtracting 3201121023 from its reverse (3201211023), we obtain a square (90000 = 300²).

The spelling of 3201121023 in words is "three billion, two hundred one million, one hundred twenty-one thousand, twenty-three".