23054305815 has 36 divisors (see below), whose sum is σ = 40829292504. Its totient is φ = 12033968736.

The previous prime is 23054305723. The next prime is 23054305849. The reversal of 23054305815 is 51850345032.

23054305815 is a `hidden beast` number, since 2 + 30 + 5 + 43 + 0 + 581 + 5 = 666.

It is not a de Polignac number, because 23054305815 - 2¹⁷ = 23054174743 is a prime.

It is a super-2 number, since 2×23054305815² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23054305815.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 16557 + ... + 215366.

It is an arithmetic number, because the mean of its divisors is an integer number (1134147014).

Almost surely, 2^23054305815 is an apocalyptic number.

23054305815 is a deficient number, since it is larger than the sum of its proper divisors (17774986689).

23054305815 is a wasteful number, since it uses less digits than its factorization.

23054305815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232028 (or 231978 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 23054305815 in words is "twenty-three billion, fifty-four million, three hundred five thousand, eight hundred fifteen".