423445052412223 has 4 divisors (see below), whose sum is σ = 424197175063608. Its totient is φ = 422692929760840.

The previous prime is 423445052412211. The next prime is 423445052412269. The reversal of 423445052412223 is 322214250544324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423445052412223 - 2⁴⁵ = 388260680323391 is a prime.

It is a super-2 number, since 2×423445052412223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423445052412223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423445052412203) 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 3 ways as a sum of consecutive naturals, for example, 376061324848 + ... + 376061325973.

It is an arithmetic number, because the mean of its divisors is an integer number (106049293765902).

Almost surely, 2^{423445052412223} is an apocalyptic number.

423445052412223 is a deficient number, since it is larger than the sum of its proper divisors (752122651385).

423445052412223 is an equidigital number, since it uses as much as digits as its factorization.

423445052412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752122651384.

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 423445052412223 in words is "four hundred twenty-three trillion, four hundred forty-five billion, fifty-two million, four hundred twelve thousand, two hundred twenty-three".