1423220213 has 8 divisors (see below), whose sum is σ = 1498521600. Its totient is φ = 1347958368.

The previous prime is 1423220177. The next prime is 1423220257. The reversal of 1423220213 is 3120223241.

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 1423220213 - 2¹² = 1423216117 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 (1423223213) 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, 89945 + ... + 104577.

It is an arithmetic number, because the mean of its divisors is an integer number (187315200).

Almost surely, 2^1423220213 is an apocalyptic number.

It is an amenable number.

1423220213 is a deficient number, since it is larger than the sum of its proper divisors (75301387).

1423220213 is a wasteful number, since it uses less digits than its factorization.

1423220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1423220213 is about 37725.5909562726. The cubic root of 1423220213 is about 1124.8398686979.

Adding to 1423220213 its reverse (3120223241), we get a palindrome (4543443454).

The spelling of 1423220213 in words is "one billion, four hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".