123011200322 has 4 divisors (see below), whose sum is σ = 184516800486. Its totient is φ = 61505600160.

The previous prime is 123011200289. The next prime is 123011200331. The reversal of 123011200322 is 223002110321.

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., 102687561601 + 20323638721 = 320449^2 + 142561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123011200322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30752800079 + ... + 30752800082.

Almost surely, 2^123011200322 is an apocalyptic number.

123011200322 is a deficient number, since it is larger than the sum of its proper divisors (61505600164).

123011200322 is an equidigital number, since it uses as much as digits as its factorization.

123011200322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61505600163.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123011200322 its reverse (223002110321), we get a palindrome (346013310643).

Subtracting 123011200322 from its reverse (223002110321), we obtain a palindrome (99990909999).

The spelling of 123011200322 in words is "one hundred twenty-three billion, eleven million, two hundred thousand, three hundred twenty-two".