123222047 has 16 divisors (see below), whose sum is σ = 136862880. Its totient is φ = 110218752.

The previous prime is 123222037. The next prime is 123222089. The reversal of 123222047 is 740222321.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123222047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75779 + ... + 77387.

It is an arithmetic number, because the mean of its divisors is an integer number (8553930).

Almost surely, 2^123222047 is an apocalyptic number.

123222047 is a deficient number, since it is larger than the sum of its proper divisors (13640833).

123222047 is a wasteful number, since it uses less digits than its factorization.

123222047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 123222047 is about 11100.5426443936. The cubic root of 123222047 is about 497.6180668074.

Adding to 123222047 its reverse (740222321), we get a palindrome (863444368).

The spelling of 123222047 in words is "one hundred twenty-three million, two hundred twenty-two thousand, forty-seven".