223734473 has 2 divisors, whose sum is σ = 223734474. Its totient is φ = 223734472.

The previous prime is 223734421. The next prime is 223734491. The reversal of 223734473 is 374437322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191324224 + 32410249 = 13832^2 + 5693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223734473 is a prime.

It is a super-2 number, since 2×223734473² = 100114228817175458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223734403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111867236 + 111867237.

It is an arithmetic number, because the mean of its divisors is an integer number (111867237).

Almost surely, 2^223734473 is an apocalyptic number.

It is an amenable number.

223734473 is a deficient number, since it is larger than the sum of its proper divisors (1).

223734473 is an equidigital number, since it uses as much as digits as its factorization.

223734473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 35.

The square root of 223734473 is about 14957.7562822771. The cubic root of 223734473 is about 607.0777303390.

The spelling of 223734473 in words is "two hundred twenty-three million, seven hundred thirty-four thousand, four hundred seventy-three".