123035216644 has 12 divisors (see below), whose sum is σ = 220318876624. Its totient is φ = 60086966184.

The previous prime is 123035216621. The next prime is 123035216653. The reversal of 123035216644 is 446612530321.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357660342 + ... + 357660685.

Almost surely, 2^123035216644 is an apocalyptic number.

It is an amenable number.

123035216644 is a deficient number, since it is larger than the sum of its proper divisors (97283659980).

123035216644 is a wasteful number, since it uses less digits than its factorization.

123035216644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715321074 (or 715321072 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 123035216644 its reverse (446612530321), we get a palindrome (569647746965).

The spelling of 123035216644 in words is "one hundred twenty-three billion, thirty-five million, two hundred sixteen thousand, six hundred forty-four".