123905083 has 4 divisors (see below), whose sum is σ = 125131968. Its totient is φ = 122678200.

The previous prime is 123905063. The next prime is 123905087. The reversal of 123905083 is 380509321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123905083 - 2⁵ = 123905051 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123905087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613291 + ... + 613492.

It is an arithmetic number, because the mean of its divisors is an integer number (31282992).

Almost surely, 2^123905083 is an apocalyptic number.

123905083 is a deficient number, since it is larger than the sum of its proper divisors (1226885).

123905083 is a wasteful number, since it uses less digits than its factorization.

123905083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226884.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 123905083 is about 11131.2660106566. The cubic root of 123905083 is about 498.5358272482.

The spelling of 123905083 in words is "one hundred twenty-three million, nine hundred five thousand, eighty-three".