123223242 has 48 divisors (see below), whose sum is σ = 263921760. Its totient is φ = 38345472.

The previous prime is 123223207. The next prime is 123223249. The reversal of 123223242 is 242322321.

It is not an unprimeable number, because it can be changed into a prime (123223249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310188 + ... + 310584.

It is an arithmetic number, because the mean of its divisors is an integer number (5498370).

Almost surely, 2^123223242 is an apocalyptic number.

123223242 is an abundant number, since it is smaller than the sum of its proper divisors (140698518).

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

123223242 is a wasteful number, since it uses less digits than its factorization.

123223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 598 counting only the distinct ones).

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

The square root of 123223242 is about 11100.5964704605. The cubic root of 123223242 is about 497.6196754256.

Adding to 123223242 its reverse (242322321), we get a palindrome (365545563).

The spelling of 123223242 in words is "one hundred twenty-three million, two hundred twenty-three thousand, two hundred forty-two".