23114515135540 has 24 divisors (see below), whose sum is σ = 48540593416392. Its totient is φ = 9245784791040.

The previous prime is 23114515135507. The next prime is 23114515135549. The reversal of 23114515135540 is 4553151541132.

It can be written as a sum of positive squares in 4 ways, for example, as 2660043569296 + 20454471566244 = 1630964^2 + 4522662^2 .

It is a super-2 number, since 2×23114515135540² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23114515135493 and 23114515135502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23114515135549) 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, 9898512 + ... + 12008728.

It is an arithmetic number, because the mean of its divisors is an integer number (2022524725683).

Almost surely, 2^{23114515135540} is an apocalyptic number.

23114515135540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23114515135540 is an abundant number, since it is smaller than the sum of its proper divisors (25426078280852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23114515135540 is a wasteful number, since it uses less digits than its factorization.

23114515135540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657907 (or 2657905 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 23114515135540 its reverse (4553151541132), we get a palindrome (27667666676672).

The spelling of 23114515135540 in words is "twenty-three trillion, one hundred fourteen billion, five hundred fifteen million, one hundred thirty-five thousand, five hundred forty".