23378281 has 8 divisors (see below), whose sum is σ = 25830144. Its totient is φ = 21046080.

The previous prime is 23378279. The next prime is 23378291. The reversal of 23378281 is 18287332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23378281 - 2¹ = 23378279 is a prime.

It is a super-2 number, since 2×23378281² = 1093088045029922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23378221) 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 7 ways as a sum of consecutive naturals, for example, 29505 + ... + 30286.

It is an arithmetic number, because the mean of its divisors is an integer number (3228768).

Almost surely, 2^23378281 is an apocalyptic number.

It is an amenable number.

23378281 is a deficient number, since it is larger than the sum of its proper divisors (2451863).

23378281 is a wasteful number, since it uses less digits than its factorization.

23378281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59831.

The product of its digits is 16128, while the sum is 34.

The square root of 23378281 is about 4835.1092024896. The cubic root of 23378281 is about 285.9373303930.

The spelling of 23378281 in words is "twenty-three million, three hundred seventy-eight thousand, two hundred eighty-one".