427217223 has 8 divisors (see below), whose sum is σ = 599603200. Its totient is φ = 269821368.

The previous prime is 427217213. The next prime is 427217233. The reversal of 427217223 is 322712724.

It is an interprime number because it is at equal distance from previous prime (427217213) and next prime (427217233).

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

It is not a de Polignac number, because 427217223 - 2⁶ = 427217159 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 (427217213) 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, 3747463 + ... + 3747576.

It is an arithmetic number, because the mean of its divisors is an integer number (74950400).

Almost surely, 2^427217223 is an apocalyptic number.

427217223 is a deficient number, since it is larger than the sum of its proper divisors (172385977).

427217223 is a wasteful number, since it uses less digits than its factorization.

427217223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495061.

The product of its digits is 9408, while the sum is 30.

The square root of 427217223 is about 20669.2337303539. The cubic root of 427217223 is about 753.1524922684.

Adding to 427217223 its reverse (322712724), we get a palindrome (749929947).

The spelling of 427217223 in words is "four hundred twenty-seven million, two hundred seventeen thousand, two hundred twenty-three".