123145606 has 16 divisors (see below), whose sum is σ = 190484784. Its totient is φ = 59678944.

The previous prime is 123145597. The next prime is 123145621. The reversal of 123145606 is 606541321.

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, 1800 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (11905299).

Almost surely, 2^123145606 is an apocalyptic number.

123145606 is a deficient number, since it is larger than the sum of its proper divisors (67339178).

123145606 is a wasteful number, since it uses less digits than its factorization.

123145606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 123145606 is about 11097.0989902767. The cubic root of 123145606 is about 497.5151461261.

Adding to 123145606 its reverse (606541321), we get a palindrome (729686927).

The spelling of 123145606 in words is "one hundred twenty-three million, one hundred forty-five thousand, six hundred six".