223685377 has 2 divisors, whose sum is σ = 223685378. Its totient is φ = 223685376.

The previous prime is 223685321. The next prime is 223685393. The reversal of 223685377 is 773586322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148620481 + 75064896 = 12191^2 + 8664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223685377 is a prime.

It is not a weakly prime, because it can be changed into another prime (223685317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111842688 + 111842689.

It is an arithmetic number, because the mean of its divisors is an integer number (111842689).

Almost surely, 2^223685377 is an apocalyptic number.

It is an amenable number.

223685377 is a deficient number, since it is larger than the sum of its proper divisors (1).

223685377 is an equidigital number, since it uses as much as digits as its factorization.

223685377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 223685377 is about 14956.1150370008. The cubic root of 223685377 is about 607.0333216429.

The spelling of 223685377 in words is "two hundred twenty-three million, six hundred eighty-five thousand, three hundred seventy-seven".