123430243522 has 8 divisors (see below), whose sum is σ = 185447398716. Its totient is φ = 61614443952.

The previous prime is 123430243501. The next prime is 123430243549. The reversal of 123430243522 is 225342034321.

123430243522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120257061961 + 3173181561 = 346781^2 + 56331^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50337373 + ... + 50339824.

Almost surely, 2^123430243522 is an apocalyptic number.

123430243522 is a deficient number, since it is larger than the sum of its proper divisors (62017155194).

123430243522 is a wasteful number, since it uses less digits than its factorization.

123430243522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100677812.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 123430243522 its reverse (225342034321), we get a palindrome (348772277843).

The spelling of 123430243522 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred forty-three thousand, five hundred twenty-two".