1630472123 has 8 divisors (see below), whose sum is σ = 1866746592. Its totient is φ = 1395035136.

The previous prime is 1630472113. The next prime is 1630472143. The reversal of 1630472123 is 3212740361.

It is a happy number.

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 1630472123 - 2⁶ = 1630472059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630472113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205190 + ... + 212987.

It is an arithmetic number, because the mean of its divisors is an integer number (233343324).

Almost surely, 2^1630472123 is an apocalyptic number.

1630472123 is a deficient number, since it is larger than the sum of its proper divisors (236274469).

1630472123 is an equidigital number, since it uses as much as digits as its factorization.

1630472123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418741.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1630472123 is about 40379.1050297056. The cubic root of 1630472123 is about 1176.9855363506.

The spelling of 1630472123 in words is "one billion, six hundred thirty million, four hundred seventy-two thousand, one hundred twenty-three".