123843115 has 16 divisors (see below), whose sum is σ = 164784096. Its totient is φ = 88588800.

The previous prime is 123843091. The next prime is 123843131. The reversal of 123843115 is 511348321.

It is a happy number.

It is not a de Polignac number, because 123843115 - 2⁷ = 123842987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15102 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (10299006).

Almost surely, 2^123843115 is an apocalyptic number.

123843115 is a deficient number, since it is larger than the sum of its proper divisors (40940981).

123843115 is a wasteful number, since it uses less digits than its factorization.

123843115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36990.

The product of its digits is 2880, while the sum is 28.

The square root of 123843115 is about 11128.4821516683. The cubic root of 123843115 is about 498.4527033521.

The spelling of 123843115 in words is "one hundred twenty-three million, eight hundred forty-three thousand, one hundred fifteen".