123034242 has 8 divisors (see below), whose sum is σ = 246068496. Its totient is φ = 41011412.

The previous prime is 123034231. The next prime is 123034243. The reversal of 123034242 is 242430321.

It is a sphenic number, since it is the product of 3 distinct primes.

123034242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (123034243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10252848 + ... + 10252859.

It is an arithmetic number, because the mean of its divisors is an integer number (30758562).

Almost surely, 2^123034242 is an apocalyptic number.

123034242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123034242 is a wasteful number, since it uses less digits than its factorization.

123034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505712.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 123034242 is about 11092.0801475647. The cubic root of 123034242 is about 497.3651286293.

Adding to 123034242 its reverse (242430321), we get a palindrome (365464563).

The spelling of 123034242 in words is "one hundred twenty-three million, thirty-four thousand, two hundred forty-two".