123432342 has 96 divisors (see below), whose sum is σ = 293370336. Its totient is φ = 34467840.

The previous prime is 123432319. The next prime is 123432347. The reversal of 123432342 is 243234321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123432347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 900898 + ... + 901034.

It is an arithmetic number, because the mean of its divisors is an integer number (3055941).

Almost surely, 2^123432342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123432342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146685168).

123432342 is an abundant number, since it is smaller than the sum of its proper divisors (169937994).

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

123432342 is a wasteful number, since it uses less digits than its factorization.

123432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 243 counting only the distinct ones).

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

The square root of 123432342 is about 11110.0108910838. The cubic root of 123432342 is about 497.9009899777.

Adding to 123432342 its reverse (243234321), we get a palindrome (366666663).

The spelling of 123432342 in words is "one hundred twenty-three million, four hundred thirty-two thousand, three hundred forty-two".