23730362881 has 4 divisors (see below), whose sum is σ = 23735463172. Its totient is φ = 23725262592.

The previous prime is 23730362879. The next prime is 23730362897. The reversal of 23730362881 is 18826303732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4253648400 + 19476714481 = 65220^2 + 139559^2 .

It is a cyclic number.

It is not a de Polignac number, because 23730362881 - 2¹ = 23730362879 is a prime.

It is a super-2 number, since 2×23730362881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23730362681) 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 3 ways as a sum of consecutive naturals, for example, 2543160 + ... + 2552473.

It is an arithmetic number, because the mean of its divisors is an integer number (5933865793).

Almost surely, 2^23730362881 is an apocalyptic number.

It is an amenable number.

23730362881 is a deficient number, since it is larger than the sum of its proper divisors (5100291).

23730362881 is an equidigital number, since it uses as much as digits as its factorization.

23730362881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100290.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 23730362881 in words is "twenty-three billion, seven hundred thirty million, three hundred sixty-two thousand, eight hundred eighty-one".