10515031234323 has 128 divisors (see below), whose sum is σ = 17760798720000. Its totient is φ = 5375199191040.

The previous prime is 10515031234321. The next prime is 10515031234339. The reversal of 10515031234323 is 32343213051501.

It is not a de Polignac number, because 10515031234323 - 2¹ = 10515031234321 is a prime.

It is a super-2 number, since 2×10515031234323² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10515031234321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3048717103 + ... + 3048720551.

It is an arithmetic number, because the mean of its divisors is an integer number (138756240000).

Almost surely, 2^{10515031234323} is an apocalyptic number.

10515031234323 is a deficient number, since it is larger than the sum of its proper divisors (7245767485677).

10515031234323 is a wasteful number, since it uses less digits than its factorization.

10515031234323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 10515031234323 its reverse (32343213051501), we get a palindrome (42858244285824).

The spelling of 10515031234323 in words is "ten trillion, five hundred fifteen billion, thirty-one million, two hundred thirty-four thousand, three hundred twenty-three".