23583850381 has 12 divisors (see below), whose sum is σ = 29544604572. Its totient is φ = 18659749248.

The previous prime is 23583850379. The next prime is 23583850393. The reversal of 23583850381 is 18305838532.

It can be written as a sum of positive squares in 2 ways, for example, as 3615616900 + 19968233481 = 60130^2 + 141309^2 .

It is not a de Polignac number, because 23583850381 - 2¹ = 23583850379 is a prime.

It is a super-2 number, since 2×23583850381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23583850361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18511020 + ... + 18512293.

It is an arithmetic number, because the mean of its divisors is an integer number (2462050381).

Almost surely, 2^23583850381 is an apocalyptic number.

It is an amenable number.

23583850381 is a deficient number, since it is larger than the sum of its proper divisors (5960754191).

23583850381 is a wasteful number, since it uses less digits than its factorization.

23583850381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37023340 (or 37023333 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 23583850381 in words is "twenty-three billion, five hundred eighty-three million, eight hundred fifty thousand, three hundred eighty-one".