2120515323 has 8 divisors (see below), whose sum is σ = 2867175936. Its totient is φ = 1393765800.

The previous prime is 2120515307. The next prime is 2120515333. The reversal of 2120515323 is 3235150212.

It is a happy number.

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

It is not a de Polignac number, because 2120515323 - 2⁴ = 2120515307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120515293 and 2120515302.

It is not an unprimeable number, because it can be changed into a prime (2120515303) 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, 4977523 + ... + 4977948.

It is an arithmetic number, because the mean of its divisors is an integer number (358396992).

Almost surely, 2^2120515323 is an apocalyptic number.

2120515323 is a deficient number, since it is larger than the sum of its proper divisors (746660613).

2120515323 is an equidigital number, since it uses as much as digits as its factorization.

2120515323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955545.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2120515323 is about 46049.0534430405. The cubic root of 2120515323 is about 1284.7357373678.

Adding to 2120515323 its reverse (3235150212), we get a palindrome (5355665535).

The spelling of 2120515323 in words is "two billion, one hundred twenty million, five hundred fifteen thousand, three hundred twenty-three".