1230632400643 has 8 divisors (see below), whose sum is σ = 1247672657088. Its totient is φ = 1213597070784.

The previous prime is 1230632400637. The next prime is 1230632400677. The reversal of 1230632400643 is 3460042360321.

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

It is not a de Polignac number, because 1230632400643 - 2⁵ = 1230632400611 is a prime.

It is a super-2 number, since 2×1230632400643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230632400599 and 1230632400608.

It is not an unprimeable number, because it can be changed into a prime (1230632401643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727180 + ... + 1729177.

It is an arithmetic number, because the mean of its divisors is an integer number (155959082136).

Almost surely, 2^{1230632400643} is an apocalyptic number.

1230632400643 is a deficient number, since it is larger than the sum of its proper divisors (17040256445).

1230632400643 is an equidigital number, since it uses as much as digits as its factorization.

1230632400643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463293.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 1230632400643 its reverse (3460042360321), we get a palindrome (4690674760964).

The spelling of 1230632400643 in words is "one trillion, two hundred thirty billion, six hundred thirty-two million, four hundred thousand, six hundred forty-three".