123323434242 has 16 divisors (see below), whose sum is σ = 247024589760. Its totient is φ = 41044857872.

The previous prime is 123323434231. The next prime is 123323434259. The reversal of 123323434242 is 242434323321.

It is a super-2 number, since 2×123323434242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15734142 + ... + 15741977.

It is an arithmetic number, because the mean of its divisors is an integer number (15439036860).

Almost surely, 2^123323434242 is an apocalyptic number.

123323434242 is an abundant number, since it is smaller than the sum of its proper divisors (123701155518).

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

123323434242 is a wasteful number, since it uses less digits than its factorization.

123323434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31476777.

The product of its digits is 82944, while the sum is 33.

Adding to 123323434242 its reverse (242434323321), we get a palindrome (365757757563).

The spelling of 123323434242 in words is "one hundred twenty-three billion, three hundred twenty-three million, four hundred thirty-four thousand, two hundred forty-two".