123433242 has 16 divisors (see below), whose sum is σ = 246978720. Its totient is φ = 41125712.

The previous prime is 123433241. The next prime is 123433259. The reversal of 123433242 is 242334321.

It is not an unprimeable number, because it can be changed into a prime (123433241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18328 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (15436170).

Almost surely, 2^123433242 is an apocalyptic number.

123433242 is an abundant number, since it is smaller than the sum of its proper divisors (123545478).

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

123433242 is a wasteful number, since it uses less digits than its factorization.

123433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357.

The product of its digits is 3456, while the sum is 24.

The square root of 123433242 is about 11110.0513950206. The cubic root of 123433242 is about 497.9022001138.

Adding to 123433242 its reverse (242334321), we get a palindrome (365767563).

The spelling of 123433242 in words is "one hundred twenty-three million, four hundred thirty-three thousand, two hundred forty-two".