123341865 has 32 divisors (see below), whose sum is σ = 205410816. Its totient is φ = 63148800.

The previous prime is 123341857. The next prime is 123341917. The reversal of 123341865 is 568143321.

It is not a de Polignac number, because 123341865 - 2³ = 123341857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35715 + ... + 39015.

It is an arithmetic number, because the mean of its divisors is an integer number (6419088).

Almost surely, 2^123341865 is an apocalyptic number.

123341865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123341865 is a deficient number, since it is larger than the sum of its proper divisors (82068951).

123341865 is a wasteful number, since it uses less digits than its factorization.

123341865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409.

The product of its digits is 17280, while the sum is 33.

The square root of 123341865 is about 11105.9382764357. The cubic root of 123341865 is about 497.7793049622.

The spelling of 123341865 in words is "one hundred twenty-three million, three hundred forty-one thousand, eight hundred sixty-five".