23833833381 has 6 divisors (see below), whose sum is σ = 34426648230. Its totient is φ = 15889222248.

The previous prime is 23833833371. The next prime is 23833833391. The reversal of 23833833381 is 18333833832.

23833833381 is a `hidden beast` number, since 238 + 3 + 3 + 8 + 33 + 381 = 666.

It is an interprime number because it is at equal distance from previous prime (23833833371) and next prime (23833833391).

It can be written as a sum of positive squares in only one way, i.e., 14802372225 + 9031461156 = 121665^2 + 95034^2 .

It is not a de Polignac number, because 23833833381 - 2⁷ = 23833833253 is a prime.

It is a super-2 number, since 2×23833833381² (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 (23833833311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1324101846 + ... + 1324101863.

It is an arithmetic number, because the mean of its divisors is an integer number (5737774705).

Almost surely, 2^23833833381 is an apocalyptic number.

It is an amenable number.

23833833381 is a deficient number, since it is larger than the sum of its proper divisors (10592814849).

23833833381 is a wasteful number, since it uses less digits than its factorization.

23833833381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648203715 (or 2648203712 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 23833833381 in words is "twenty-three billion, eight hundred thirty-three million, eight hundred thirty-three thousand, three hundred eighty-one".