123845915 has 8 divisors (see below), whose sum is σ = 155076768. Its totient is φ = 94768960.

The previous prime is 123845849. The next prime is 123845941. The reversal of 123845915 is 519548321.

It is a happy number.

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

It is not a de Polignac number, because 123845915 - 2¹² = 123841819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538346 + ... + 538575.

It is an arithmetic number, because the mean of its divisors is an integer number (19384596).

Almost surely, 2^123845915 is an apocalyptic number.

123845915 is a deficient number, since it is larger than the sum of its proper divisors (31230853).

123845915 is a wasteful number, since it uses less digits than its factorization.

123845915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076949.

The product of its digits is 43200, while the sum is 38.

The square root of 123845915 is about 11128.6079542771. The cubic root of 123845915 is about 498.4564598711.

The spelling of 123845915 in words is "one hundred twenty-three million, eight hundred forty-five thousand, nine hundred fifteen".