10515430323 has 12 divisors (see below), whose sum is σ = 15189921760. Its totient is φ = 7009840656.

The previous prime is 10515430301. The next prime is 10515430337. The reversal of 10515430323 is 32303451501.

It is not a de Polignac number, because 10515430323 - 2¹² = 10515426227 is a prime.

It is a super-2 number, since 2×10515430323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10515434323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176973 + ... + 228801.

Almost surely, 2^10515430323 is an apocalyptic number.

10515430323 is a deficient number, since it is larger than the sum of its proper divisors (4674491437).

10515430323 is a wasteful number, since it uses less digits than its factorization.

10515430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74378 (or 74375 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 10515430323 its reverse (32303451501), we get a palindrome (42818881824).

The spelling of 10515430323 in words is "ten billion, five hundred fifteen million, four hundred thirty thousand, three hundred twenty-three".