223427166723 has 12 divisors (see below), whose sum is σ = 334681023768. Its totient is φ = 148951444320.

The previous prime is 223427166719. The next prime is 223427166737. The reversal of 223427166723 is 327661724322.

It is not a de Polignac number, because 223427166723 - 2² = 223427166719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223427166763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459726438 + ... + 459726923.

It is an arithmetic number, because the mean of its divisors is an integer number (27890085314).

Almost surely, 2^223427166723 is an apocalyptic number.

223427166723 is a deficient number, since it is larger than the sum of its proper divisors (111253857045).

223427166723 is an frugal number, since it uses more digits than its factorization.

223427166723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919453376 (or 919453364 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 223427166723 in words is "two hundred twenty-three billion, four hundred twenty-seven million, one hundred sixty-six thousand, seven hundred twenty-three".