123857848 has 8 divisors (see below), whose sum is σ = 232233480. Its totient is φ = 61928920.

The previous prime is 123857819. The next prime is 123857849. The reversal of 123857848 is 848758321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×123857848² = 30681533022382208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123857798 and 123857807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123857849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7741108 + ... + 7741123.

It is an arithmetic number, because the mean of its divisors is an integer number (29029185).

Almost surely, 2^123857848 is an apocalyptic number.

It is an amenable number.

123857848 is a deficient number, since it is larger than the sum of its proper divisors (108375632).

123857848 is a wasteful number, since it uses less digits than its factorization.

123857848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482237 (or 15482233 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 123857848 is about 11129.1440820936. The cubic root of 123857848 is about 498.4724687154.

The spelling of 123857848 in words is "one hundred twenty-three million, eight hundred fifty-seven thousand, eight hundred forty-eight".