123433042 has 16 divisors (see below), whose sum is σ = 197914752. Its totient is φ = 57592480.

The previous prime is 123433021. The next prime is 123433043. The reversal of 123433042 is 240334321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123433043) 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, 30838 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (12369672).

Almost surely, 2^123433042 is an apocalyptic number.

123433042 is a deficient number, since it is larger than the sum of its proper divisors (74481710).

123433042 is a wasteful number, since it uses less digits than its factorization.

123433042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65513.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 123433042 is about 11110.0423941585. The cubic root of 123433042 is about 497.9019311952.

Adding to 123433042 its reverse (240334321), we get a palindrome (363767363).

The spelling of 123433042 in words is "one hundred twenty-three million, four hundred thirty-three thousand, forty-two".