23880681 has 18 divisors (see below), whose sum is σ = 37916970. Its totient is φ = 14472480.

The previous prime is 23880679. The next prime is 23880683. The reversal of 23880681 is 18608832.

It is an interprime number because it is at equal distance from previous prime (23880679) and next prime (23880683).

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 27225 = 4884^2 + 165^2 .

It is not a de Polignac number, because 23880681 - 2¹ = 23880679 is a prime.

It is a super-2 number, since 2×23880681² = 1140573850047522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23880683) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9876 + ... + 12053.

Almost surely, 2^23880681 is an apocalyptic number.

It is an amenable number.

23880681 is a deficient number, since it is larger than the sum of its proper divisors (14036289).

23880681 is a wasteful number, since it uses less digits than its factorization.

23880681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21957 (or 21943 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 23880681 is about 4886.7863673379. The cubic root of 23880681 is about 287.9710980835.

The spelling of 23880681 in words is "twenty-three million, eight hundred eighty thousand, six hundred eighty-one".