123000006 has 16 divisors (see below), whose sum is σ = 246109248. Its totient is φ = 40981800.

The previous prime is 122999999. The next prime is 123000011. The reversal of 123000006 is 600000321.

It is a junction number, because it is equal to n+sod(n) for n = 122999955 and 123000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22041 + ... + 27051.

It is an arithmetic number, because the mean of its divisors is an integer number (15381828).

Almost surely, 2^123000006 is an apocalyptic number.

123000006 is an abundant number, since it is smaller than the sum of its proper divisors (123109242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123000006 is a wasteful number, since it uses less digits than its factorization.

123000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 123000006 is about 11090.5367769103. The cubic root of 123000006 is about 497.3189914133.

Adding to 123000006 its reverse (600000321), we get a palindrome (723000327).

The spelling of 123000006 in words is "one hundred twenty-three million, six", and thus it is an aban number.