123206132 has 24 divisors (see below), whose sum is σ = 251064576. Its totient is φ = 51805728.

The previous prime is 123206119. The next prime is 123206143. The reversal of 123206132 is 231602321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40028 + ... + 42995.

It is an arithmetic number, because the mean of its divisors is an integer number (10461024).

Almost surely, 2^123206132 is an apocalyptic number.

It is an amenable number.

123206132 is an abundant number, since it is smaller than the sum of its proper divisors (127858444).

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

123206132 is a wasteful number, since it uses less digits than its factorization.

123206132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83087 (or 83085 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 123206132 is about 11099.8257643983. The cubic root of 123206132 is about 497.5966422525.

Adding to 123206132 its reverse (231602321), we get a palindrome (354808453).

The spelling of 123206132 in words is "one hundred twenty-three million, two hundred six thousand, one hundred thirty-two".