104206123 has 24 divisors (see below), whose sum is σ = 126137088. Its totient is φ = 84315792.

The previous prime is 104206093. The next prime is 104206139. The reversal of 104206123 is 321602401.

It is not a de Polignac number, because 104206123 - 2¹⁷ = 104075051 is a prime.

It is a super-2 number, since 2×104206123² = 21717832141382258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104206123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104206153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396090 + ... + 396352.

It is an arithmetic number, because the mean of its divisors is an integer number (5255712).

Almost surely, 2^104206123 is an apocalyptic number.

104206123 is a deficient number, since it is larger than the sum of its proper divisors (21930965).

104206123 is a wasteful number, since it uses less digits than its factorization.

104206123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 104206123 is about 10208.1400362652. The cubic root of 104206123 is about 470.5774146712.

Adding to 104206123 its reverse (321602401), we get a palindrome (425808524).

It can be divided in two parts, 104206 and 123, that added together give a square (104329 = 323²).

The spelling of 104206123 in words is "one hundred four million, two hundred six thousand, one hundred twenty-three".