5202123321 has 16 divisors (see below), whose sum is σ = 7019171136. Its totient is φ = 3426826176.

The previous prime is 5202123319. The next prime is 5202123323. The reversal of 5202123321 is 1233212025.

It is an interprime number because it is at equal distance from previous prime (5202123319) and next prime (5202123323).

It is not a de Polignac number, because 5202123321 - 2¹ = 5202123319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5202123323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53851 + ... + 115343.

It is an arithmetic number, because the mean of its divisors is an integer number (438698196).

Almost surely, 2^5202123321 is an apocalyptic number.

It is an amenable number.

5202123321 is a deficient number, since it is larger than the sum of its proper divisors (1817047815).

5202123321 is a wasteful number, since it uses less digits than its factorization.

5202123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61832.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5202123321 is about 72125.7465888569. The cubic root of 5202123321 is about 1732.7139867577.

Adding to 5202123321 its reverse (1233212025), we get a palindrome (6435335346).

The spelling of 5202123321 in words is "five billion, two hundred two million, one hundred twenty-three thousand, three hundred twenty-one".