123871834 has 8 divisors (see below), whose sum is σ = 185856660. Its totient is φ = 61919616.

The previous prime is 123871801. The next prime is 123871879. The reversal of 123871834 is 438178321.

It can be written as a sum of positive squares in 2 ways, for example, as 122168809 + 1703025 = 11053^2 + 1305^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123871793 and 123871802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6922 + ... + 17194.

Almost surely, 2^123871834 is an apocalyptic number.

123871834 is a deficient number, since it is larger than the sum of its proper divisors (61984826).

123871834 is a wasteful number, since it uses less digits than its factorization.

123871834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304.

The product of its digits is 32256, while the sum is 37.

The square root of 123871834 is about 11129.7724145645. The cubic root of 123871834 is about 498.4912304751.

The spelling of 123871834 in words is "one hundred twenty-three million, eight hundred seventy-one thousand, eight hundred thirty-four".