123203132 has 12 divisors (see below), whose sum is σ = 232190616. Its totient is φ = 56862960.

The previous prime is 123203123. The next prime is 123203159. The reversal of 123203132 is 231302321.

It is a self number, because there is not a number n which added to its sum of digits gives 123203132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184594 + ... + 1184697.

It is an arithmetic number, because the mean of its divisors is an integer number (19349218).

Almost surely, 2^123203132 is an apocalyptic number.

It is an amenable number.

123203132 is a deficient number, since it is larger than the sum of its proper divisors (108987484).

123203132 is a wasteful number, since it uses less digits than its factorization.

123203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369308 (or 2369306 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123203132 is about 11099.6906263193. The cubic root of 123203132 is about 497.5926034870.

Adding to 123203132 its reverse (231302321), we get a palindrome (354505453).

The spelling of 123203132 in words is "one hundred twenty-three million, two hundred three thousand, one hundred thirty-two".