223673161 has 2 divisors, whose sum is σ = 223673162. Its totient is φ = 223673160.

The previous prime is 223673147. The next prime is 223673171. The reversal of 223673161 is 161376322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211527936 + 12145225 = 14544^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 223673161 - 2¹⁷ = 223542089 is a prime.

It is not a weakly prime, because it can be changed into another prime (223673171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111836580 + 111836581.

It is an arithmetic number, because the mean of its divisors is an integer number (111836581).

Almost surely, 2^223673161 is an apocalyptic number.

It is an amenable number.

223673161 is a deficient number, since it is larger than the sum of its proper divisors (1).

223673161 is an equidigital number, since it uses as much as digits as its factorization.

223673161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 223673161 is about 14955.7066365986. The cubic root of 223673161 is about 607.0222709220.

The spelling of 223673161 in words is "two hundred twenty-three million, six hundred seventy-three thousand, one hundred sixty-one".