23125281 has 8 divisors (see below), whose sum is σ = 32174400. Its totient is φ = 14746512.

The previous prime is 23125279. The next prime is 23125301. The reversal of 23125281 is 18252132.

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

It is not a de Polignac number, because 23125281 - 2¹ = 23125279 is a prime.

It is a super-2 number, since 2×23125281² = 1069557242657922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23125241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167506 + ... + 167643.

It is an arithmetic number, because the mean of its divisors is an integer number (4021800).

Almost surely, 2^23125281 is an apocalyptic number.

It is an amenable number.

23125281 is a deficient number, since it is larger than the sum of its proper divisors (9049119).

23125281 is a wasteful number, since it uses less digits than its factorization.

23125281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335175.

The product of its digits is 960, while the sum is 24.

The square root of 23125281 is about 4808.8752323178. The cubic root of 23125281 is about 284.9021147378.

The spelling of 23125281 in words is "twenty-three million, one hundred twenty-five thousand, two hundred eighty-one".