23102281 has 8 divisors (see below), whose sum is σ = 24159744. Its totient is φ = 22049280.

The previous prime is 23102267. The next prime is 23102341. The reversal of 23102281 is 18220132.

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 23102281 - 2⁵ = 23102249 is a prime.

It is a super-2 number, since 2×23102281² = 1067430774805922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13960 + ... + 15526.

It is an arithmetic number, because the mean of its divisors is an integer number (3019968).

Almost surely, 2^23102281 is an apocalyptic number.

It is an amenable number.

23102281 is a deficient number, since it is larger than the sum of its proper divisors (1057463).

23102281 is a wasteful number, since it uses less digits than its factorization.

23102281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 23102281 is about 4806.4832258107. The cubic root of 23102281 is about 284.8076305201.

The spelling of 23102281 in words is "twenty-three million, one hundred two thousand, two hundred eighty-one".