1223413420423 has 32 divisors (see below), whose sum is σ = 1363771183680. Its totient is φ = 1092561592320.

The previous prime is 1223413420421. The next prime is 1223413420429. The reversal of 1223413420423 is 3240243143221.

It is not a de Polignac number, because 1223413420423 - 2¹ = 1223413420421 is a prime.

It is a super-2 number, since 2×1223413420423² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223413420421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3936928 + ... + 4236298.

It is an arithmetic number, because the mean of its divisors is an integer number (42617849490).

Almost surely, 2^{1223413420423} is an apocalyptic number.

1223413420423 is a deficient number, since it is larger than the sum of its proper divisors (140357763257).

1223413420423 is a wasteful number, since it uses less digits than its factorization.

1223413420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299587.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1223413420423 its reverse (3240243143221), we get a palindrome (4463656563644).

The spelling of 1223413420423 in words is "one trillion, two hundred twenty-three billion, four hundred thirteen million, four hundred twenty thousand, four hundred twenty-three".