223557670733923 has 2 divisors, whose sum is σ = 223557670733924. Its totient is φ = 223557670733922.

The previous prime is 223557670733921. The next prime is 223557670734037. The reversal of 223557670733923 is 329337076755322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223557670733923 - 2¹ = 223557670733921 is a prime.

Together with 223557670733921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223557670733921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111778835366961 + 111778835366962.

It is an arithmetic number, because the mean of its divisors is an integer number (111778835366962).

Almost surely, 2^{223557670733923} is an apocalyptic number.

223557670733923 is a deficient number, since it is larger than the sum of its proper divisors (1).

223557670733923 is an equidigital number, since it uses as much as digits as its factorization.

223557670733923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300056400, while the sum is 64.

The spelling of 223557670733923 in words is "two hundred twenty-three trillion, five hundred fifty-seven billion, six hundred seventy million, seven hundred thirty-three thousand, nine hundred twenty-three".