123845913 has 12 divisors (see below), whose sum is σ = 179013120. Its totient is φ = 82506456.

The previous prime is 123845849. The next prime is 123845941. The reversal of 123845913 is 319548321.

It is not a de Polignac number, because 123845913 - 2⁶ = 123845849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123845963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11920 + ... + 19742.

It is an arithmetic number, because the mean of its divisors is an integer number (14917760).

Almost surely, 2^123845913 is an apocalyptic number.

It is an amenable number.

123845913 is a deficient number, since it is larger than the sum of its proper divisors (55167207).

123845913 is a wasteful number, since it uses less digits than its factorization.

123845913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9585 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 123845913 is about 11128.6078644186. The cubic root of 123845913 is about 498.4564571879.

The spelling of 123845913 in words is "one hundred twenty-three million, eight hundred forty-five thousand, nine hundred thirteen".