223918023377 has 2 divisors, whose sum is σ = 223918023378. Its totient is φ = 223918023376.

The previous prime is 223918023341. The next prime is 223918023397. The reversal of 223918023377 is 773320819322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190808217856 + 33109805521 = 436816^2 + 181961^2 .

It is a cyclic number.

It is not a de Polignac number, because 223918023377 - 2¹⁰ = 223918022353 is a prime.

It is not a weakly prime, because it can be changed into another prime (223918023397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111959011688 + 111959011689.

It is an arithmetic number, because the mean of its divisors is an integer number (111959011689).

Almost surely, 2^223918023377 is an apocalyptic number.

It is an amenable number.

223918023377 is a deficient number, since it is larger than the sum of its proper divisors (1).

223918023377 is an equidigital number, since it uses as much as digits as its factorization.

223918023377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 223918023377 in words is "two hundred twenty-three billion, nine hundred eighteen million, twenty-three thousand, three hundred seventy-seven".