1217427223 has 8 divisors (see below), whose sum is σ = 1311305600. Its totient is φ = 1126529208.

The previous prime is 1217427193. The next prime is 1217427241. The reversal of 1217427223 is 3227247121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1217427223 - 2⁹ = 1217426711 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 (1217424223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744243 + ... + 745876.

It is an arithmetic number, because the mean of its divisors is an integer number (163913200).

Almost surely, 2^1217427223 is an apocalyptic number.

1217427223 is a deficient number, since it is larger than the sum of its proper divisors (93878377).

1217427223 is a wasteful number, since it uses less digits than its factorization.

1217427223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490181.

The product of its digits is 9408, while the sum is 31.

The square root of 1217427223 is about 34891.6497603653. The cubic root of 1217427223 is about 1067.7780844009.

The spelling of 1217427223 in words is "one billion, two hundred seventeen million, four hundred twenty-seven thousand, two hundred twenty-three".