123033665522 has 16 divisors (see below), whose sum is σ = 187382339520. Its totient is φ = 60573644208.

The previous prime is 123033665519. The next prime is 123033665563. The reversal of 123033665522 is 225566330321.

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, 138179 + ... + 514937.

It is an arithmetic number, because the mean of its divisors is an integer number (11711396220).

Almost surely, 2^123033665522 is an apocalyptic number.

123033665522 is a deficient number, since it is larger than the sum of its proper divisors (64348673998).

123033665522 is a wasteful number, since it uses less digits than its factorization.

123033665522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379265.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 123033665522 its reverse (225566330321), we get a palindrome (348599995843).

The spelling of 123033665522 in words is "one hundred twenty-three billion, thirty-three million, six hundred sixty-five thousand, five hundred twenty-two".