223111232787923 has 2 divisors, whose sum is σ = 223111232787924. Its totient is φ = 223111232787922.

The previous prime is 223111232787917. The next prime is 223111232787953. The reversal of 223111232787923 is 329787232111322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223111232787923 is a prime.

It is a super-3 number, since 3×223111232787923³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223111232787953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111555616393961 + 111555616393962.

It is an arithmetic number, because the mean of its divisors is an integer number (111555616393962).

Almost surely, 2^{223111232787923} is an apocalyptic number.

223111232787923 is a deficient number, since it is larger than the sum of its proper divisors (1).

223111232787923 is an equidigital number, since it uses as much as digits as its factorization.

223111232787923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The spelling of 223111232787923 in words is "two hundred twenty-three trillion, one hundred eleven billion, two hundred thirty-two million, seven hundred eighty-seven thousand, nine hundred twenty-three".