23850973857 has 8 divisors (see below), whose sum is σ = 31857190560. Its totient is φ = 15872703200.

The previous prime is 23850973807. The next prime is 23850973879. The reversal of 23850973857 is 75837905832.

It is a happy number.

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 23850973857 - 2⁶ = 23850973793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23850973797 and 23850973806.

It is not an unprimeable number, because it can be changed into a prime (23850973807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6984519 + ... + 6987932.

It is an arithmetic number, because the mean of its divisors is an integer number (3982148820).

Almost surely, 2^23850973857 is an apocalyptic number.

It is an amenable number.

23850973857 is a deficient number, since it is larger than the sum of its proper divisors (8006216703).

23850973857 is a wasteful number, since it uses less digits than its factorization.

23850973857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973023.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 23850973857 in words is "twenty-three billion, eight hundred fifty million, nine hundred seventy-three thousand, eight hundred fifty-seven".