23813427856 has 45 divisors (see below), whose sum is σ = 46615789929. Its totient is φ = 11784804288.

The previous prime is 23813427853. The next prime is 23813427857. The reversal of 23813427856 is 65872431832.

The square root of 23813427856 is 154316.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21661952400 + 2151475456 = 147180^2 + 46384^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23813427851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106786561 + ... + 106786783.

Almost surely, 2^23813427856 is an apocalyptic number.

23813427856 is the 154316-th square number.

It is an amenable number.

23813427856 is a deficient number, since it is larger than the sum of its proper divisors (22802362073).

23813427856 is an frugal number, since it uses more digits than its factorization.

23813427856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 398 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

Multiplying 23813427856 by its sum of digits (49), we get a square (1166857964944 = 1080212²).

The spelling of 23813427856 in words is "twenty-three billion, eight hundred thirteen million, four hundred twenty-seven thousand, eight hundred fifty-six".