223331340623 has 4 divisors (see below), whose sum is σ = 229367322840. Its totient is φ = 217295358408.

The previous prime is 223331340553. The next prime is 223331340709. The reversal of 223331340623 is 326043133322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326043133322 = 2 ⋅163021566661.

It is a cyclic number.

It is not a de Polignac number, because 223331340623 - 2¹⁶ = 223331275087 is a prime.

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 223331340623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223331343623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017991053 + ... + 3017991126.

It is an arithmetic number, because the mean of its divisors is an integer number (57341830710).

Almost surely, 2^223331340623 is an apocalyptic number.

223331340623 is a deficient number, since it is larger than the sum of its proper divisors (6035982217).

223331340623 is an equidigital number, since it uses as much as digits as its factorization.

223331340623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035982216.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 223331340623 its reverse (326043133322), we get a palindrome (549374473945).

The spelling of 223331340623 in words is "two hundred twenty-three billion, three hundred thirty-one million, three hundred forty thousand, six hundred twenty-three".