1230221213423 has 8 divisors (see below), whose sum is σ = 1325085273600. Its totient is φ = 1138368710808.

The previous prime is 1230221213387. The next prime is 1230221213447. The reversal of 1230221213423 is 3243121220321.

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 1230221213423 - 2²⁴ = 1230204436207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230221213392 and 1230221213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230221213723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752888543 + ... + 752890176.

It is an arithmetic number, because the mean of its divisors is an integer number (165635659200).

Almost surely, 2^{1230221213423} is an apocalyptic number.

1230221213423 is a deficient number, since it is larger than the sum of its proper divisors (94864060177).

1230221213423 is a wasteful number, since it uses less digits than its factorization.

1230221213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505778781.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1230221213423 its reverse (3243121220321), we get a palindrome (4473342433744).

The spelling of 1230221213423 in words is "one trillion, two hundred thirty billion, two hundred twenty-one million, two hundred thirteen thousand, four hundred twenty-three".