1630704223 has 8 divisors (see below), whose sum is σ = 1657393920. Its totient is φ = 1604083800.

The previous prime is 1630704221. The next prime is 1630704227. The reversal of 1630704223 is 3224070361.

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 1630704223 - 2¹ = 1630704221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1630704191 and 1630704200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630704221) 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, 31248 + ... + 65098.

It is an arithmetic number, because the mean of its divisors is an integer number (207174240).

Almost surely, 2^1630704223 is an apocalyptic number.

1630704223 is a deficient number, since it is larger than the sum of its proper divisors (26689697).

1630704223 is an equidigital number, since it uses as much as digits as its factorization.

1630704223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34637.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1630704223 is about 40381.9789386305. The cubic root of 1630704223 is about 1177.0413822163.

Adding to 1630704223 its reverse (3224070361), we get a palindrome (4854774584).

The spelling of 1630704223 in words is "one billion, six hundred thirty million, seven hundred four thousand, two hundred twenty-three".