223693073 has 2 divisors, whose sum is σ = 223693074. Its totient is φ = 223693072.

The previous prime is 223693027. The next prime is 223693081. The reversal of 223693073 is 370396322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131974144 + 91718929 = 11488^2 + 9577^2 .

It is a cyclic number.

It is not a de Polignac number, because 223693073 - 2²⁶ = 156584209 is a prime.

It is not a weakly prime, because it can be changed into another prime (223693273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111846536 + 111846537.

It is an arithmetic number, because the mean of its divisors is an integer number (111846537).

Almost surely, 2^223693073 is an apocalyptic number.

It is an amenable number.

223693073 is a deficient number, since it is larger than the sum of its proper divisors (1).

223693073 is an equidigital number, since it uses as much as digits as its factorization.

223693073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 223693073 is about 14956.3723208537. The cubic root of 223693073 is about 607.0402833182.

The spelling of 223693073 in words is "two hundred twenty-three million, six hundred ninety-three thousand, seventy-three".