123404132 has 24 divisors (see below), whose sum is σ = 218803200. Its totient is φ = 60893856.

The previous prime is 123404129. The next prime is 123404147. The reversal of 123404132 is 231404321.

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, 166619 + ... + 167357.

It is an arithmetic number, because the mean of its divisors is an integer number (9116800).

Almost surely, 2^123404132 is an apocalyptic number.

It is an amenable number.

123404132 is a deficient number, since it is larger than the sum of its proper divisors (95399068).

123404132 is a wasteful number, since it uses less digits than its factorization.

123404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123404132 is about 11108.7412428231. The cubic root of 123404132 is about 497.8630559515.

Adding to 123404132 its reverse (231404321), we get a palindrome (354808453).

The spelling of 123404132 in words is "one hundred twenty-three million, four hundred four thousand, one hundred thirty-two".