1630616323 has 8 divisors (see below), whose sum is σ = 1865140992. Its totient is φ = 1396486536.

The previous prime is 1630616311. The next prime is 1630616341. The reversal of 1630616323 is 3236160361.

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 1630616323 - 2²¹ = 1628519171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630616023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89815 + ... + 106432.

It is an arithmetic number, because the mean of its divisors is an integer number (233142624).

Almost surely, 2^1630616323 is an apocalyptic number.

1630616323 is a deficient number, since it is larger than the sum of its proper divisors (234524669).

1630616323 is a wasteful number, since it uses less digits than its factorization.

1630616323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197441.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1630616323 is about 40380.8905671977. The cubic root of 1630616323 is about 1177.0202331130.

Adding to 1630616323 its reverse (3236160361), we get a palindrome (4866776684).

The spelling of 1630616323 in words is "one billion, six hundred thirty million, six hundred sixteen thousand, three hundred twenty-three".