200123132 has 24 divisors (see below), whose sum is σ = 391375152. Its totient is φ = 88745600.

The previous prime is 200123111. The next prime is 200123191. The reversal of 200123132 is 231321002.

It is a happy number.

It is a super-2 number, since 2×200123132² = 80098535922978848, which contains 22 as substring.

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, 53663 + ... + 57270.

It is an arithmetic number, because the mean of its divisors is an integer number (16307298).

Almost surely, 2^200123132 is an apocalyptic number.

200123132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200123132 is a deficient number, since it is larger than the sum of its proper divisors (191252020).

200123132 is a wasteful number, since it uses less digits than its factorization.

200123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110989 (or 110987 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200123132 is about 14146.4883274967. The cubic root of 200123132 is about 584.9235364059.

Adding to 200123132 its reverse (231321002), we get a palindrome (431444134).

The spelling of 200123132 in words is "two hundred million, one hundred twenty-three thousand, one hundred thirty-two".