123042344 has 16 divisors (see below), whose sum is σ = 231086400. Its totient is φ = 61419312.

The previous prime is 123042281. The next prime is 123042349. The reversal of 123042344 is 443240321.

It is not an unprimeable number, because it can be changed into a prime (123042349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472 + ... + 17375.

It is an arithmetic number, because the mean of its divisors is an integer number (14442900).

Almost surely, 2^123042344 is an apocalyptic number.

It is an amenable number.

123042344 is a deficient number, since it is larger than the sum of its proper divisors (108044056).

123042344 is a wasteful number, since it uses less digits than its factorization.

123042344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25472 (or 25468 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 123042344 is about 11092.4453570888. The cubic root of 123042344 is about 497.3760458173.

Adding to 123042344 its reverse (443240321), we get a palindrome (566282665).

The spelling of 123042344 in words is "one hundred twenty-three million, forty-two thousand, three hundred forty-four".