2123515353 has 8 divisors (see below), whose sum is σ = 2873613088. Its totient is φ = 1394547264.

The previous prime is 2123515333. The next prime is 2123515363. The reversal of 2123515353 is 3535153212.

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

It is not a de Polignac number, because 2123515353 - 2¹⁰ = 2123514329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123515353.

It is not an unprimeable number, because it can be changed into a prime (2123515333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5282176 + ... + 5282577.

It is an arithmetic number, because the mean of its divisors is an integer number (359201636).

Almost surely, 2^2123515353 is an apocalyptic number.

It is an amenable number.

2123515353 is a deficient number, since it is larger than the sum of its proper divisors (750097735).

2123515353 is a wasteful number, since it uses less digits than its factorization.

2123515353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564823.

The product of its digits is 13500, while the sum is 30.

The square root of 2123515353 is about 46081.6162151459. The cubic root of 2123515353 is about 1285.3413180841.

Adding to 2123515353 its reverse (3535153212), we get a palindrome (5658668565).

The spelling of 2123515353 in words is "two billion, one hundred twenty-three million, five hundred fifteen thousand, three hundred fifty-three".