23125857 has 8 divisors (see below), whose sum is σ = 30866976. Its totient is φ = 15400992.

The previous prime is 23125829. The next prime is 23125859. The reversal of 23125857 is 75852132.

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

It is not a de Polignac number, because 23125857 - 2⁸ = 23125601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23125859) 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, 223 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (3858372).

Almost surely, 2^23125857 is an apocalyptic number.

It is an amenable number.

23125857 is a deficient number, since it is larger than the sum of its proper divisors (7741119).

23125857 is a wasteful number, since it uses less digits than its factorization.

23125857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127.

The product of its digits is 16800, while the sum is 33.

The square root of 23125857 is about 4808.9351212093. The cubic root of 23125857 is about 284.9044801470.

Adding to 23125857 its reverse (75852132), we get a palindrome (98977989).

The spelling of 23125857 in words is "twenty-three million, one hundred twenty-five thousand, eight hundred fifty-seven".