123352340522 has 4 divisors (see below), whose sum is σ = 185028510786. Its totient is φ = 61676170260.

The previous prime is 123352340509. The next prime is 123352340557. The reversal of 123352340522 is 225043253321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118046529241 + 5305811281 = 343579^2 + 72841^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30838085129 + ... + 30838085132.

Almost surely, 2^123352340522 is an apocalyptic number.

123352340522 is a deficient number, since it is larger than the sum of its proper divisors (61676170264).

123352340522 is an equidigital number, since it uses as much as digits as its factorization.

123352340522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61676170263.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 123352340522 its reverse (225043253321), we get a palindrome (348395593843).

The spelling of 123352340522 in words is "one hundred twenty-three billion, three hundred fifty-two million, three hundred forty thousand, five hundred twenty-two".