123422201 has 4 divisors (see below), whose sum is σ = 141053952. Its totient is φ = 105790452.

The previous prime is 123422087. The next prime is 123422203. The reversal of 123422201 is 102224321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123422201 is a prime.

It is a super-3 number, since 3×123422201³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123422201.

It is not an unprimeable number, because it can be changed into a prime (123422203) by changing a digit.

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, 8815865 + ... + 8815878.

It is an arithmetic number, because the mean of its divisors is an integer number (35263488).

Almost surely, 2^123422201 is an apocalyptic number.

It is an amenable number.

123422201 is a deficient number, since it is larger than the sum of its proper divisors (17631751).

123422201 is an equidigital number, since it uses as much as digits as its factorization.

123422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631750.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123422201 is about 11109.5544915177. The cubic root of 123422201 is about 497.8873540264.

Adding to 123422201 its reverse (102224321), we get a palindrome (225646522).

The spelling of 123422201 in words is "one hundred twenty-three million, four hundred twenty-two thousand, two hundred one".