23115431335115 has 24 divisors (see below), whose sum is σ = 32271769887552. Its totient is φ = 15848363731200.

The previous prime is 23115431335109. The next prime is 23115431335121. The reversal of 23115431335115 is 51153313451132.

It is an interprime number because it is at equal distance from previous prime (23115431335109) and next prime (23115431335121).

It is a de Polignac number, because none of the positive numbers 2^k-23115431335115 is a prime.

It is a super-3 number, since 3×23115431335115³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4844894 + ... + 8348883.

It is an arithmetic number, because the mean of its divisors is an integer number (1344657078648).

Almost surely, 2^{23115431335115} is an apocalyptic number.

23115431335115 is a deficient number, since it is larger than the sum of its proper divisors (9156338552437).

23115431335115 is a wasteful number, since it uses less digits than its factorization.

23115431335115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200947 (or 13200940 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

Adding to 23115431335115 its reverse (51153313451132), we get a palindrome (74268744786247).

The spelling of 23115431335115 in words is "twenty-three trillion, one hundred fifteen billion, four hundred thirty-one million, three hundred thirty-five thousand, one hundred fifteen".